Verified record
Lang's HVAC describes gas and oil furnace, boiler and water-heater service and installation in its Angi profile. A 2021 customer said Dan came to their house on a Sunday evening to address a boiler issue, then installed a new natural gas boiler and an on-demand natural gas water heater. That 2021 customer said they were happy with the result and how quickly the job was completed.
“Danny Lang with Lang’s HVAC from Dalton, New Hampshire, was called in to examine the unit and provide recommendations.”
Prompt professional service We can always depend on Danny
Dan is hard working, honest,and dependable. Dan came to my house on a Sunday evening to address an issue I had with my previous boiler. After that I decided to have him install a new natural gas boiler and on demand natural gas hot water heater. I am so happy with how the job came out with Danâ s professionalism and how fast the job was completed. Thank you Dan!!! I can always depend on you
Specializes in
Also offers
Languages
1 change recorded — last scanned Oct 18, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from LANG'S HVAC. 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
Transparent diagnostics5.0
Same-day and weekend calls for burst pipes and lost heat5.0
Broad plumbing and HVAC range5.0
Repeat, years-long customers5.0
Water heater and boiler installs5.0
