KB Heating & Cooling LLC
HVAC in Chelmsford, MA · ★ 4.7 Google rating
Google rating as of October 2026. How ratings work here
- Address
- 5 Clarke Ave, Chelmsford, MA 01824
- Phone
- (978) 905-0456
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About KB Heating & Cooling LLC
KB Heating & Cooling LLC is a HVAC contractor based in Chelmsford, Middlesex County, Massachusetts, at 5 Clarke Ave, Chelmsford, MA 01824. It has a Google rating of 4.7 out of 5. Its website is linked above. A listing here is not a license or insurance check, so verify both directly before hiring.
Service area
Based in Chelmsford, KB Heating & Cooling LLC is within a short drive of Lowell (3 mi), Billerica (5 mi), Carlisle (5 mi), Tewksbury (5 mi), Dracut (6 mi) and Westford (6 mi). Most Massachusetts hvac contractors work a 25-mile radius, so homeowners in those towns can reasonably ask for a quote.
Hiring a HVAC contractor in Chelmsford
Massachusetts requires a permit for any HVAC system replacement, and Chelmsford's building department handles the review. A heat pump retrofit also needs a separate electrical permit for the new condenser circuits, pulled by a licensed electrician. Older homes near Chelmsford Center and around Russell Mill Pond sometimes need a panel upgrade to carry the added heat pump load, which National Grid coordinates. Standard permits turn around quickly, and reputable contractors fold both the building and electrical permits into the project scope.
Chelmsford costs sit in the typical northern-suburb range. A full whole-home heat pump retrofit generally runs $18,000–$30,000 before rebates; a single-zone ductless mini-split usually lands at $4,500–$8,000 installed; and a like-for-like gas or oil boiler replacement is typically $7,500–$13,000. Colonial subdivision homes with usable existing ductwork come in toward the lower end of the retrofit range, while older mid-century homes that need new line sets or an electrical service upgrade push higher.
Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential hvac work; ask for the registration number and check it before paying a deposit.
More on permits, costs, rebates and common questions, plus every other hvac contractor serving the town, on the HVAC in Chelmsford page.
Other HVAC contractors in Chelmsford
See all HVAC in Chelmsford.