Verified record
Subzero Heating and Air Conditioning, Inc. is a heating and air conditioning company based in Taunton, MA. In a 2018 review, the owner came out for a job appraisal the same day he called, and the complete central A/C install was done in two days; that review says they followed up a couple days after the work to make sure everything was functioning properly. A 2015 review says the new system was up and running in less than five days from the first phone call, with the install taking less than 5 hours. A 2012 review says the owner, David McKinnon, waited for a scheduled emergency appointment on a Saturday during a brutal heat wave; while waiting, he took a look at the system, ascertained what was wrong and fixed it, and had the new system installed 48 hours later. In a 2009 review, Subzero set up a plan to replace a heating and AC system in 2 stages, sent information on all of the parts up front without being asked, and did a very neat job with the duct work. In a 2008 review, David engineered a new duct to add a lower-level condo room to the central system, added central a/c and replaced the furnace. Another 2008 review describes a ductless split system install from Fujitsu in which the amount quoted was the amount paid. A 2008 review of an AC install in a South End condo building says David handled the building's rules on when contractors could work and still finished in a timely way. In a 2008 review, David and his father replaced a forced hot-air furnace and also replaced two air ducts. A 2007 review describes a plan to convert a split level house from electric to gas heat, with Dave emailing an estimate and proposal the night of the walk-through. A 2009 review of a central A/C install said "he finished teh job right but never showed up to fix the problem."
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Subzero Heating and Air Conditioning, Inc.. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
The crew showed up on time and performed the work without delay. They were careful to remove debris when finished. Quote process was very transparent and the owner was easily reachable.
The owner of the company gave me a call and came out for the job appraisal on the same day. I received the appraisal that evening. He was there two days later and the complete install was done in two days and it works great. About the owner and his crew, they were great, polite, kept the work area clean and completed the central A/C in two days with quality equipment at a very reasonable price. They followed up a couple days after the work was completed to follow up and make sure everything was functioning properly. We are very pleased with this transaction and would recommend Subzero Heating & Air Conditioning to friends and family.
They contacted me first of all the contractors, came out to provide an estimate days before the others set up an appointment. They actually finished the installation before the other appointments were scheduled! The new system was up & running in less than five days from the first phone call to finished. Can't beat that. They are very efficient and open. He advised on all the options that I asked about & was open to all options. The install took less than 5 hours, top to bottom. Friendly & courteous crew. I recommend them.
They contacted me first of all the contractors, came out to provide an estimate days before the others set up an appointment. They actually finished the installation before the other appointments were scheduled! The new system was up & running in less than five days from the first phone call to finished. Can't beat that. They are very efficient and open. He advised on all the options that I asked about & was open to all options. The install took less than 5 hours, top to bottom. Friendly & courteous crew. I recommend them.
This project was done a long time ago but they were efficient and got the job done in our South Boston apt.
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2 changes recorded — last scanned Sep 25, 2026.
Persistent problem-solving5.0
Old-house re-piping4.1