# James A. Dalelis Plumbing Heating & Air Conditioning

**Trade:** HVAC / Heating & Cooling · **Address:** 934R Washington St, Norwood, MA 02062 · **Phone:** (617) 716-9144 · **Website:** http://www.dalelismechanicalco.com/ · **Languages:** English

**Rating: 4.1/5** (high confidence) — from 66 reviews across 6 sources.
92% of sentiment-scored reviews read net-positive. Last 6 months: 14 reviews, 1 negative.

## The honest read

Dalelis Mechanical — James A. Dalelis Plumbing, Heating & Air Conditioning — has run out of Norwood since 2009, according to the company, adding a full HVAC license and in-house HVAC team in 2013. James Dalelis still owns and runs it, and the reviews keep circling back to two names: his, and his longtime technician Nick's.

What stands out across 94 Google ratings averaging 4.8 stars is speed on the bad-day calls. A no-heat morning, a dead AC unit during a heat wave, a boiler that quit the night before a deep freeze — reviewers describe a callback within minutes and a technician at the door within the hour, sometimes fifteen. One family called on a 90-degree day when their thermostat and AC quit; James had Nick on-site in fifteen minutes and the problem fixed within minutes of that. Another, mid-heat-wave, got a technician within the hour who replaced a capacitor and had cold air running again before the day was over.

Pricing comes up unprompted and mostly favorably — reviewers repeatedly call quotes fair and competitive with no upselling, including a customer who priced a Combi Boiler hot-water-loop addition and used exactly that phrase. The record isn't spotless, though. In a July 2024 review, a customer said they weren't told about a $250 service-call fee before a technician diagnosed an aging AC unit as not worth fixing. In an October 2025 review, another described a booking that showed as available same-day online, then got pushed back two days after they'd flagged it as urgent. And in a July 2026 review, a homeowner described a coil installed too low near the furnace on a system put in about seven years earlier — it kept freezing over and eventually needed replacing.

The work splits between plumbing and HVAC in roughly equal measure: water heater installs and repairs, frozen-pipe emergencies, a stuck laundry pump fixed the same afternoon, alongside furnace, boiler, heat pump and central AC jobs — including a full rooftop unit swap done by crane in about four hours. The Better Business Bureau lists the company at an A+ grade.

Before booking, it's worth asking upfront what a service call costs if nothing turns out to need fixing, and confirming a same-day slot directly rather than relying on the online scheduler alone. For anything from a burst pipe to a dead furnace, the pattern across six years of reviews is a company that shows up fast and explains what it's doing while it's there.

**Strengths:**
- Fast emergency response — same-day and same-hour arrivals for no-heat/no-AC calls
- Nick's repairs — named technician repeatedly praised for quick, clean fixes
- Deep review history — 94 Google ratings averaging 4.8 stars since 2021
- Fair, upfront pricing — reviewers repeatedly call quotes reasonable and competitive

**Concerns:**
- Past installation flaw — a 2026 review described a coil set too low on a ~7-year-old system
- Scheduling slip — an October 2025 review described a same-day booking pushed back two days
- Undisclosed service fee — a July 2024 review said a $250 call-out fee wasn't mentioned upfront

## Claims & citations

Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication.

- Google shows a 4.8-star average across 94 ratings _(confidence: high)_
  - [Google](https://www.google.com/maps/search/?api=1&query=James%20A.%20Dalelis%20Plumbing%20Heating%20%26%20Air%20Conditioning&query_place_id=ChIJWXS18T9_44kROQNsfxPKG1M) — “Google: 4.8★ from 94 ratings”
- The Better Business Bureau lists the company at an A+ grade _(confidence: high)_
  - [Better Business Bureau](https://www.bbb.org/us/ma/norwood/profile/plumbing-and-heating/james-a-dalelis-plumbing-heating-air-conditioning-inc-0021-122566) — “Better Business Bureau grade: A+”
- The company says it was founded in Norwood in 2009 and added a full in-house HVAC license and team in 2013 _(confidence: medium)_
  - [Official Website](http://www.dalelismechanicalco.com) — “Company history (self-reported): Founded in Norwood in 2009 as a one-truck plumbing shop; added a full HVAC license and in-house HVAC team i…”
- Owner-operated by James A. Dalelis, per the company's own site _(confidence: medium)_
  - [Official Website](http://www.dalelismechanicalco.com) — “Ownership (self-reported): Owner-operated by James A. Dalelis”
- A customer said technician Nick was on-site within fifteen minutes on a 90-degree day and fixed a broken thermostat/HVAC problem within minutes _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2xCQldVVldNMFpMUTJ0WWRrcGxNRlJUYkZwb2VsRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOlBBWUVWM0ZLQ2tYdkplMFRTbFpoelE%7C%7C?hl=en) — “5★ Woke up to find my thermostat/HVAC not working on a 90+ degree day.  One call to James is all it took.  He had his technician Nick onsite…”
- A reviewer said a technician arrived within the hour to repair an AC unit during a heat wave _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25kM1dtdGhhbFp3U1c1VVZ6Y3lOVjlCWmswdFVtYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOnd3WmthalZwSW5UVzcyNV9BZk0tUmc%7C%7C?hl=en) — “5★ Called James after our AC quit on us during a heat wave. He answered the phone (not a call service) and had someone at the house within a…”
- A customer called the price for a Combi Boiler hot-water-loop addition fair and competitive _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2xCTmMwNUVVVTlVWld4c2JsUnhXRjg0WW5CSmRtYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOlBNc05EUU9UZWxsblRxWF84YnBJdmc%7C%7C?hl=en) — “5★ James and his company are very courteous, and knowledgeable. He provided me with a fair and competitive price for a Proprietary Domestic …”
- Customers across 2025 and 2026 repeatedly describe same-day or next-day response for no-heat and plumbing emergencies _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2xKV1NrcDZRa1IyTTJoR1RrOTNTa1ZtUms5Sk1FRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOlJWSkp6QkR2M2hGTk93SkVmRk9JMEE%7C%7C?hl=en) — “5★ Boiler stopped working on a Monday night and temps were forecast to drop well below zero.  Called Dalelis and immediately got an appointm…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pFeU5rUnFhMjgzWjJ3MllpMXpaMk5FYWs5cFNtYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOjEyNkRqa283Z2w2Yi1zZ2NEak9pSmc%7C%7C?hl=en) — “5★ Short notice, they were at our home next day.  Numerous minor repairs completed at a reasonable price by professionals. Thank you Dalelis…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25keWVtVXRjWEZPYlhCbGQyNTBWVVJ4Vm5wTFYyYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOndyemUtcXFObXBld250VURxVnpLV2c%7C%7C?hl=en) — “5★ Very quick and efficient. Called at 8:30AM for a bad basement laundry pump, and job was completed by 1:30PM. Works like new; no mess, and…”
- In a July 2026 review, a customer described a coil installed too low near the furnace on a system put in about seven years earlier, which failed and required a new coil and condenser _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pVMVduRk1aazB0VG1OU1UyVnBkMkZXYUZsRmEyYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOjU1WnFMZk0tTmNSU2Vpd2FWaFlFa2c%7C%7C?hl=en) — “1★ I had this HVAC system installed by this company about 7 years ago. I expected it to last much longer before experiencing a major failure…”
- In an October 2025 review, a customer described a same-day online booking that was rescheduled two days out despite being flagged as urgent _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pWcU9YYzVWemN0VkVzMVdISmxiRmRoV1UxSmQwRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOjVqOXc5VzctVEs1WHJlbFdhWU1Jd0E%7C%7C?hl=en) — “1★ Bait and switch, schedule online said available today, waited all afternoon and then got a text that it was rescheduled for two days late…”
- In a July 2024 review, a customer said a $250 service-call fee was not disclosed before a technician diagnosed an aging AC system as not worth repairing _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNieV91S1JBEAE!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CIHM0ogKEICAgICby_uKRA%7C%7C?hl=en) — “1★ I had a disappointing experience with James A Dalelis Plumbing Heating & Air Conditioning that I feel compelled to share. When my AC unit…”
- Specializes in HVAC / Heating & Cooling _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pVMVduRk1aazB0VG1OU1UyVnBkMkZXYUZsRmEyYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOjU1WnFMZk0tTmNSU2Vpd2FWaFlFa2c%7C%7C?hl=en) — “1★ I had this HVAC system installed by this company about 7 years ago. I expected it to last much longer before experiencing a major failure…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25kM1dtdGhhbFp3U1c1VVZ6Y3lOVjlCWmswdFVtYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOnd3WmthalZwSW5UVzcyNV9BZk0tUmc%7C%7C?hl=en) — “5★ Called James after our AC quit on us during a heat wave. He answered the phone (not a call service) and had someone at the house within a…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25kblpVaGtiMUppWmxaWGNuSlVhVXhoUVU1VlZsRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOndnZUhkb1JiZlZXcnJUaUxhQU5VVlE%7C%7C?hl=en) — “5★ James A. Dalelis Plumbing & HVAC responded to our initial call within 2hrs. Nick & Elias were very polite and professional. These gentlem…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT21SRlpXUXhWeTFsY0ZOdk9UbFdaVEZGYmt4TmFuYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOmRFZWQxVy1lcFNvOTlWZTFFbkxNanc%7C%7C?hl=en) — “5★ Our heat pump stopped working during a big snow fall this winter. We called James Dalelis Plumbing and HVAC to come and take a look. They…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pGb1UzRjNNRGx6WVVGM1ltTXhUbEpDUkUxc1dFRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOjFoU3F3MDlzYUF3YmMxTlJCRE1sWEE%7C%7C?hl=en) — “5★ We needed a new roof unit. He had the unit ordered that same day and installed that same week. They removed the old unit and dropped in a…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT21ZdGNHcHZURlV6VGpsbk1FbHBZMUJqVXpFelZYYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOmYtcGpvTFUzTjlnMElpY1BjUzEzVXc%7C%7C?hl=en) — “5★ We own a 2 family and the furnace in the tenants apartment stopped working on the coldest day in December. I was referred to James and he…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25nM2FUZFFUVGhUY0haWU9IQk5Sa3M1VkZrM1NGRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOng3aTdQTThTcHZYOHBNRks5VFk3SFE%7C%7C?hl=en) — “5★ Fast, efficient, and professional. I went to turn my heat on and realized my boiler wasn’t working. It was a Friday before a long holiday…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURINTZmd3pnRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CIHM0ogKEICAgIDH56fwzgE%7C%7C?hl=en) — “5★ I had a new boiler and a Fujitsu mini split installed by Dalelis and could not be happier with the work.  I've had oil technicians compli…”
  - [Official Website](http://www.dalelismechanicalco.com) — “Dalelis Mechanical (James A. Dalelis Plumbing, Heating & Air Conditioning) is a Norwood, MA-based, dual-licensed plumbing and HVAC company o…”
- Specializes in Plumbing _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pJMU5rOVRUR052VDJwdE1uWjJOMnhvVjE5c2JsRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOjI1Nk9TTGNvT2ptMnZ2N2xoV19sblE%7C%7C?hl=en) — “5★ Very efficient and professional job!
Replacement standard outside faucet with a frost-free silcock to help prevent freezing and burst pip…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25KWFVXTnFiVXhGZVRoVk1Yb3RUMHRtU0VwQk9YYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOnJXUWNqbUxFeThVMXotT0tmSEpBOXc%7C%7C?hl=en) — “5★ We recently had a water heater installed and had a great experience. The owner, James, responded quickly, gave a reasonable quote, and sc…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT21kaFdFdFhaMDFEUkdrMlEydHBTRmxFVTBOTk4xRRAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOmdhWEtXZ01DRGk2Q2tpSFlEU0NNN1E%7C%7C?hl=en) — “5★ My pipes were frozen James provided such valuable information and I was able to get water flowing in my house again,  what a life saver! …”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2pFeU5rUnFhMjgzWjJ3MllpMXpaMk5FYWs5cFNtYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOjEyNkRqa283Z2w2Yi1zZ2NEak9pSmc%7C%7C?hl=en) — “5★ Short notice, they were at our home next day.  Numerous minor repairs completed at a reasonable price by professionals. Thank you Dalelis…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25keWVtVXRjWEZPYlhCbGQyNTBWVVJ4Vm5wTFYyYxAB!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CAIQACodChtycF9oOndyemUtcXFObXBld250VURxVnpLV2c%7C%7C?hl=en) — “5★ Very quick and efficient. Called at 8:30AM for a bad basement laundry pump, and job was completed by 1:30PM. Works like new; no mess, and…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNHb0xxUmRnEAE!2m1!1s0x0:0x531bca137f6c0339!3m1!1s2@1:CIHM0ogKEICAgICGoLqRdg%7C%7C?hl=en) — “5★ Our water heater failed on a late Saturday morning, water all over the basement, that same old story. Called several “24-hour” plumbing s…”
  - [Official Website](http://www.dalelismechanicalco.com) — “Dalelis Mechanical (James A. Dalelis Plumbing, Heating & Air Conditioning) is a Norwood, MA-based, dual-licensed plumbing and HVAC company o…”

## License

Status: **not_found** — verified against the official MA state registry, never self-reported.
Re-check at the official registry: https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page

## Sources

- [Exa](https://directorii.com/us/ma/norwood/james-a-dalelis-plumbing-heating-and-air-conditioning-reviews-5579/): 2 web mentions across the open web (each linked to its source)
- [Official Website](http://www.dalelismechanicalco.com): 17 yrs in business · Self-reported profile and service details
- [Yelp](https://www.yelp.com/biz/james-a-dalelis-plumbing-heating-and-air-conditioning-norwood): Listed on this source
- [Google](https://www.google.com/maps/search/?api=1&query=James%20A.%20Dalelis%20Plumbing%20Heating%20%26%20Air%20Conditioning&query_place_id=ChIJWXS18T9_44kROQNsfxPKG1M): 4.8★ from 94 ratings
- [Google Reviews](https://www.google.com/maps/search/?api=1&query=James%20A.%20Dalelis%20Plumbing%20Heating%20%26%20Air%20Conditioning&query_place_id=ChIJWXS18T9_44kROQNsfxPKG1M): Listed on this source
- [Better Business Bureau](https://www.bbb.org/us/ma/norwood/profile/plumbing-and-heating/james-a-dalelis-plumbing-heating-air-conditioning-inc-0021-122566): Listed on this source

## Mentions

Unverified third-party mentions found on the open web — relay with attribution ("a Reddit commenter said…"), never as Tavlee's own finding.

- “### James A. Dalelis Plumbing Heating & Air Conditioning ... 934R Washington St, Norwood, MA 02062 (617) 716-9144 dalelisplumbing.com ... Educates customers ... Great customer service ... - Company Ex…” — todayshomeowner.com (2025-02-25) — https://todayshomeowner.com/near-me/massachusetts/norwood/plumbing/
- “# James A. Dalelis Plumbing Heating & Air Conditioning ... 4.9(35 reviews) ... 4.9 (35 reviews) ... “Consistently professional workmanship, clear communication, prompt project completion; clients feel…” — directorii.com — https://directorii.com/us/ma/norwood/james-a-dalelis-plumbing-heating-and-air-conditioning-reviews-5579/

## Recent reviews

- **5/5 · Google Reviews · Susanne Taylor Damon · 2026-07-31**: Very efficient and professional job!
Replacement standard outside faucet with a frost-free silcock to help prevent freezing and burst pipes during winter weather.
How wonderful that they used an upgrade instead of a basic faucet.
Thank you.
Susanne Taylor Damon
- **5/5 · Google Reviews · Jennifer Mahn · 2026-07-21**: Highly recommend this company! I rarely write a review, but my experience from start to finish is worth mentioning. My water heater was gushing water into my basement early in the morning so I called Jason Dalelis Plumbing out of Norwood and got an answer right away.
Jason answered my questions and …
- **1/5 · Google Reviews · Marie Jeanlouis · 2026-07-18**: I had this HVAC system installed by this company about 7 years ago. I expected it to last much longer before experiencing a major failure, but the AC stopped working due to leak and required a new coil and condenser. I was disappointed by the lifespan of the system and expected better durability for…
- **5/5 · Google Reviews · Miguel and Marisa · 2026-07-05**: Called James after our AC quit on us during a heat wave. He answered the phone (not a call service) and had someone at the house within an hour to repair it. Tech was friendly, professional, and very thorough. Glad we called James!
- **5/5 · Google Reviews · Paul Ellis · 2026-07-02**: James A. Dalelis Plumbing & HVAC responded to our initial call within 2hrs. Nick & Elias were very polite and professional. These gentlemen troubleshot our Goodman central A/C unit and replaced the capacitor and charged the unit with Freon. The A/C unit is now running at full capacity, once again co…
- **5/5 · Google Reviews · Sabina Feczko · 2026-06-25**: If plumbing problems stress you out, contact James. He is reliable, professional, and very smart. He understands that you need quick service when you are in an emergency situation. He has handled many problems here and installed a new boiler, central a/c among many other tasks. You will not find som…
- **5/5 · Google Reviews · Enrique Quinonez · 2026-05-20**: Great family oriented company, invaluable resource for home owners.   We use him and recommend him.
- **5/5 · Google Reviews · Jeffrey Gadomski · 2026-05-01**: Best plumber I have ever dealt with. Saved my house from flooding in on an emergency call.
- **5/5 · Google Reviews · Stephen Quinn · 2026-04-08**: Boiler stopped working on a Monday night and temps were forecast to drop well below zero.  Called Dalelis and immediately got an appointment for that afternoon.  James came and fixed a stuck damper and explained the whole process.  Would highly recommend Dalelis!
- **5/5 · Google Reviews · rudissantosreyes · 2026-04-02**: Received such great service. Very reliable and helpful, I had an issue with my heat and it was resolved right away. I highly recommend to anyone looking for efficient and reliable solution.

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Data freshness: last scanned 2026-09-08T22:25:14.175Z.
Cite as: James A. Dalelis Plumbing Heating & Air Conditioning — Tavlee (https://tavlee.com/contractor/james-a-dalelis-plumbing-heating-and-air-norwood)
Source: https://tavlee.com/contractor/james-a-dalelis-plumbing-heating-and-air-norwood