Top 7 HVAC companies in Norfolk, Massachusetts

How to choose

Public data supplies the only evidence available here. A Bayesian-adjusted star rating forms the core ranking; small numbers of reviews pull a company’s score toward the national mean of 4.764. Secondary signals include a public website, an HVAC-specialist listing category rather than general contracting, and published 24/7 availability. The shortlist that follows contains exactly these seven firms and no others.

The shortlist

This is a shortlist built from public listing data, not a review of work performed. Companies are ranked by a Bayesian-adjusted rating: a company’s star rating is pulled toward the national mean until it has enough reviews to stand on its own, so a 5.0 from four customers does not outrank a 4.9 from two hundred. Small tie-breakers apply for a public website, for being listed as an HVAC specialist rather than a general contractor, and for published 24/7 availability.

Palmieri Mechanical Services

Palmieri Mechanical Services operates from 40 Shore Dr, Wrentham, MA 02093 as a general contractor. Its raw rating of 5.0 rests on 13 reviews; the Bayesian adjustment lowers the score to 4.835 because the review count is still modest relative to the national mean of 4.764. The firm shows no public website and no 24/7 listing. These numbers cannot reveal whether the company carries the specific trade licenses required for gas or refrigeration work in Massachusetts.

Norfolk Mechanical

Norfolk Mechanical lists its address as 9 Lakeview Ave, Port Dover, ON N0A 1N8, Canada and can be reached at (519) 583-0221. Twelve reviews produce a raw 5.0 that the adjustment reduces to 4.831. The firm appears as a general contractor without a website or round-the-clock service. The Canadian address raises separate questions the published data cannot answer.

Moore Plumbing & Heating

Moore Plumbing & Heating is located at 30 Union St, Norfolk, MA 02056 and answers calls at (508) 942-7186. Zero reviews leave the raw rating at 0; the adjusted score of 4.764 therefore sits exactly at the national mean. The listing category is plumber. No website or 24/7 flag appears. The absence of any review record means performance data is simply missing.

Phoenix Plumbing & Heating

Phoenix Plumbing & Heating operates from Wayside Building, 158 Main St #7, Norfolk, MA 02056 and can be reached at (508) 541-7800. Eleven reviews yield a raw rating of 4.6 that the Bayesian step lifts slightly to 4.72. The firm is listed as a plumber without a website or 24/7 availability. The adjustment moves the score upward because the raw figure sits below the national mean.

UAM Services

UAM Services is based at 4 Annette Rd, Foxborough, MA 02035 and answers the phone at (508) 660-6000. Its 11 reviews produce a raw 4.3; the adjusted score reaches 4.68 after the Bayesian pull and an extra 0.04 from the public-website signal. The firm is carried as a general contractor. The modest review count keeps the final placement conservative.

Platinum Home Services Inc.

Platinum Home Services Inc. lists its address as 453 Main St, Foxborough, MA 02035 and can be reached at (508) 543-6935. Five reviews give a raw rating of 2.6 that the adjustment raises to 4.495, aided by the public-website tie-breaker. The category is plumber. The wide gap between raw and adjusted scores illustrates how few reviews still exert strong influence.

Patriot Mechanical Services Inc.

Patriot Mechanical Services Inc. operates from 54 King St, Franklin, MA 02038 and can be reached at (888) 490-5471. Fifteen reviews produce a raw 3.7; the adjusted score settles at 4.409 after the Bayesian correction. The firm appears as a general contractor without a website or 24/7 listing. The adjustment lifts the score because the raw rating lies below the national mean.

Cost

Two independent sources report installed costs for a full residential system. One places the typical figure at $12,550 with a range of $11,300 to $13,800. The second source records an invoiced average of $23,586 and an upper quartile of $33,537. Labor is stated at $160 per hour. Permit fees fall between $200 and $650. The large spread between the two cost sources remains unexplained by the published data.

Licensing and permits

Massachusetts issues no single HVAC contractor license. Refrigeration work on systems of 10 tons or larger requires a state Refrigeration Technician license. Gas connections require a licensed Gas Fitter; electrical work requires a licensed Electrician; ductwork requires a Sheet Metal Worker license. These credentials are administered by the Division of Occupational Licensure through three separate boards. General liability insurance is frequently demanded by towns before a permit is issued; workers’ compensation is mandatory for any employer with staff. Permits themselves are issued locally under the state building code.

Incentives

Mass Save supplies the dominant state rebates, with heat-pump incentives reaching $8,000 and stacking with utility offerings between $1,250 and $10,000. Participation requires membership in the Mass Save Heat Pump Installer Network and a pre-install energy assessment. Customers served by municipal light plants fall outside the program entirely. Federal 25C and 25D credits expired at the end of 2025; only commercial systems may still access the 48E investment tax credit. Homeowners must therefore confirm both their utility and the installer’s network status before any rebate calculation is accepted.

Climate

Norfolk County sits in IECC zone 5A with 5,700 heating degree days and only 700 cooling degree days. Winter design temperature is 9 °F; summer design reaches 90 °F with humid conditions. The load profile is heating-dominant, and primary fuels remain natural gas and fuel oil. Cold-climate heat pumps are technically suitable yet require backup in the coldest hours. Aggressive state electrification incentives are accelerating conversions from oil and gas, which increases demand for properly sized equipment that can handle both peak winter loads and summer humidity control.