Verified record
Constant Temperature Systems describes its work as selling, servicing and installing HVAC equipment for residential, commercial and industrial customers, with preventative maintenance contracts available. Constant Temperature Systems Inc holds Massachusetts HVAC license 588-SM-B, active on the state registry. A 2022 customer said they paid a $10,000 deposit and could not get calls answered.
Put deposit of 10k , won't answer calls back. RIP Off artist. In process of pressing charges
Specializes in
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2 changes recorded — last scanned Sep 23, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Constant Temperature Systems. 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
Prompt arrival4.9
Same-day emergency response4.6
Prompt response4.6
Fast response4.2
Heating repair3.4
