Trade directory · Cambridge metro · Massachusetts

HVAC contractors in
Cambridge, Massachusetts.

A public directory of licensed hvac contractors serving greater Cambridge. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
3,034
U.S. Census Bureau
Peak Season
May through September for cooling installations; October through February for heating repairs and replacements
Market estimate
Avg. Response Time
24-48 hours for quotes, 3-7 days for project scheduling during peak season
Operator average
§ A · Market rates

Common Job Costs

CAMBRIDGE-MA · LOCAL ESTIMATES
Service
Description
Cost Range
Central AC installation
Typical range based on local central ac installation jobs.
$3,500 – $8,500
Furnace replacement
Typical range based on local furnace replacement jobs.
$2,800 – $6,500
Heat pump installation
Typical range based on local heat pump installation jobs.
$4,000 – $9,000
Ductwork replacement
Typical range based on local ductwork replacement jobs.
$2,500 – $7,000
Boiler replacement
Typical range based on local boiler replacement jobs.
$3,200 – $8,000
HVAC system maintenance
Typical range based on local hvac system maintenance jobs.
$150 – $400
§ B · Regulatory

Licensing Requirements

MA
§1

Licensing Requirements

Massachusetts requires Sheet Metal Worker License or Refrigeration Technician License through Division of Professional Licensure. Sheet Metal license requires 4-year apprenticeship or equivalent experience plus written exam. Refrigeration license requires EPA 608 certification and state exam. Both require continuing education and biennial renewal.

§2

Permit Requirements

Cambridge requires mechanical permits for all HVAC installations, replacements, and major repairs. Permit applications must include equipment specifications, load calculations, and energy compliance forms. Fees range $50-$300 based on project scope.

§3

Inspection Schedule

Rough inspection after ductwork installation, final inspection after equipment installation and before system startup. Gas line connections require separate gas piping inspection.

§4

Insurance Minimums

General liability minimum $1,000,000 per occurrence, workers compensation as required by state law. Bonding requirements vary by municipality but typically $10,000-$50,000 for larger commercial projects.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Meet experience requirements

Complete 4-year apprenticeship program or equivalent work experience in sheet metal or HVAC field. Document experience with employer verification letters.

01/05
2

Obtain EPA certification

Pass EPA 608 certification exam for refrigerant handling. Required for all technicians working with refrigeration systems and heat pumps.

02/05
3

Apply for state license

Submit application to Massachusetts Division of Professional Licensure with experience documentation, EPA certification, and application fees.

03/05
4

Pass state examination

Schedule and pass written examination covering Massachusetts codes, safety regulations, and technical knowledge for chosen license type.

04/05
5

Maintain license

Complete continuing education requirements and renew license biennially. Keep insurance and bonding current per local requirements.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Cambridge HVAC market runs hot with 3034 licensed establishments statewide competing for work in dense residential and commercial sectors. Old housing stock drives steady replacement demand - triple-deckers with aging boilers, brownstones needing ductwork retrofits, new construction pushing heat pump installations. Costs spike due to tight labor market, permit complexity, and equipment access challenges in narrow city streets. Competition stays fierce but quality work gets steady referrals in this word-of-mouth market. Working Cambridge means navigating strict permitting, tight job sites, and demanding customers who know their stuff. Get your Massachusetts Sheet Metal or Refrigeration license sorted first - no shortcuts. Peak season stretches May through September for cooling, flips to heating October through February. Smart contractors prep inventory early and maintain strong supplier relationships. Parking permits, equipment staging, and neighbor relations matter as much as technical skills. Price fairly but don't lowball - Cambridge clients pay for quality and expertise, not bottom-dollar work.

Data Sources
  • Licensed establishments count
    US Census Bureau
  • Licensing requirements
    Massachusetts Division of Professional Licensure
  • Permit requirements
    Cambridge Building Department
  • Cost estimates
    Local market analysis and contractor surveys
  • Insurance requirements
    Massachusetts Department of Industrial Accidents
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What HVAC license do I need to work in Cambridge, MA?

Massachusetts requires either a Sheet Metal Worker License or Refrigeration Technician License through the Division of Professional Licensure, plus EPA 608 certification for refrigerant work.

Q/02

How much does HVAC installation cost in Cambridge?

Installation costs range from $2800-$9000 depending on system type. Central AC runs $3500-$8500, heat pumps $4000-$9000, furnaces $2800-$6500 based on local market estimates.

Q/03

Do I need permits for HVAC work in Cambridge?

Yes, Cambridge requires mechanical permits for installations, replacements, and major repairs. Permits cost $50-$300 and require equipment specs, load calculations, and energy compliance documentation.

Q/04

When is peak season for HVAC work in Cambridge?

Cooling system installations peak May-September, heating repairs and replacements peak October-February. Schedule equipment orders early due to supply chain constraints during peak periods.

Q/05

How many HVAC contractors operate in Massachusetts?

Massachusetts has approximately 3034 licensed HVAC establishments according to Census data, creating competitive market conditions especially in metro Boston area including Cambridge.

§ F · Directory

HVAC contractors in Cambridge

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