Air Conditioning
NATE-certified technicians handle maintenance, repair and installation of high-velocity, ductless, heat pump and hydronic cooling systems — with repair work guaranteed.
Heating · Cooling · Plumbing Solutions
Comfort in every season,
done honestly.
Family owned and operated since 1986. Certified, award-winning technicians, a 100% satisfaction guarantee, and no upselling — serving homes and businesses across Essex, Middlesex and Suffolk Counties.
Air ConditioningHeatingIndoor Air QualityPlumbingWater HeatersGeneratorsNew ConstructionCommercial Services
What we do
Eight ways we keep your building comfortable
Residential and commercial. Every repair guaranteed, every system sized for the space it serves.
Heating
Service for heat pumps, radiant, ductless and furnaces of every fuel type, with guaranteed repairs and maintenance plans.
Indoor Air Quality
Whole-home solutions for dust, bacteria, pollen, pet dander, ventilation and humidity problems — especially helpful for people with allergies or asthma.
Plumbing
Installation, repair, replacement, maintenance and emergency service for residential and commercial properties.
Water Heaters
Installs and services tank, tankless, hybrid and heat pump units, plus maintenance such as component checks and flushing.
Generators
Automatic whole-house generator installation, plus repair and replacement for residential and commercial units.
New Construction
Bring us in early. We coordinate ducts, pipes and fixtures with your build, and every system is sized for the home it serves.
Commercial Services
Sizing and maintenance of HVAC and plumbing systems for commercial properties.
Promotions, rebates & financing
Make comfort easier on the budget
0% financing for 84 months
Available with Mass Save. Financing is available with approved credit.
10% off for seniors & military
A 10% discount for seniors and military personnel. Ask us when you call.
Utility rebates & incentives
You may qualify for energy rebates through your utility company when you buy a high-efficiency heating or air conditioning system from us. Mass Save and Mass Clean Energy help promote energy efficiency in Massachusetts homes; eligibility varies by where you live.
Ways to pay
We accept Visa, MasterCard, Discover, cash and checks.
Preventative maintenance plan
The Home Comfort Club
Routine tune-ups keep equipment running longer and more efficiently. Combined heating and cooling systems get them twice a year; heating-only or cooling-only systems get them once a year. Choose a 3-year or 5-year plan.
- 10% off repairs on plumbing, cooling or heating calls
- Priority scheduling and scheduling reminders
- Longer equipment life and maintained energy efficiency
- Lower utility bills
- Discounted overtime diagnostic fees
- Transferable to a new owner
Fan motor, lubrication, refrigerant pressures, condensate pump and drain lines, electrical connections, compressor voltage and amp draw, and thermostat operation.
Heat exchanger, flue and exhaust, burners, ignition, electrical, carbon monoxide levels, condensate drain, and a combustion test.
Ignition, circulators, expansion tank, pressure gauge, relief valve, aquastat, heat exchanger, low water cutoff, and a combustion test.
Oil nozzle and pump strainer replacement, oil line inspection, pump cleaning, and motor and control checks.
Since 1986Family owned & operated
24/7Emergency service available
100%Satisfaction guarantee
NATE-certifiedOngoing technician training
Photo gallery
Real installs from real homes
Scroll sideways → a look at recent boilers, furnaces, high-velocity AC and radiant heat.
What customers say
“Fabulous! Call no one else!”
“The company was efficiently and courteously represented. The installation was well-done.”
“The team at Cooling Unlimited is just that: a team that is well coordinated, solid to work with and highly efficient.”
“Wonderful service. From start to finish service was prompt, courteous and thorough.”
“They always returned our calls/emails immediately and answered all our questions.”
“Excellent service. Competitive pricing.”
“Excellent work for installation of Mitsubishi ductless system.”
“Great company.”
“Excellent service at a great price.”
“Very professional. Their expertise was exceptional.”
More reviews from our customers on Angie’s List and the Better Business Bureau.
About us
Honest, respectful & family owned
Cooling Unlimited has been a certified, award-winning, family owned and operated HVAC and plumbing contractor since 1986. We believe in honesty and respect, we don’t upsell, and we keep our technicians training year after year.
Every job comes with a 100% satisfaction guarantee. From new systems in growing homes to emergency calls, every repair we make is guaranteed.
Licensed: Sheet Metal #269 · HIC #158697 · Plumbing Corp #3643
Affiliations & memberships
From our blog
Good to know
Why indoor air quality should be a year-round priority
Dust and pet dander build up at any time of year, and outdoor pollen follows you inside. Balanced humidity, fresh-air ventilation, whole-house filtration, UV purifiers and properly sealed ductwork each play a part — tackled together, they improve comfort in every season.
Enjoy the benefits of zoned comfort for growing families
A zoned system splits your home into areas with their own controls, so bedrooms, basements, sunrooms and additions each stay comfortable without wasting energy on unused rooms. For homes without ductwork, ductless mini-splits add independent control without major remodeling.
Service area
Serving Essex, Middlesex & Suffolk Counties
Proudly serving homes and businesses across Greater Boston for over 25 years.
- Andover
- Arlington
- Belmont
- Billerica
- Brookline
- Burlington
- Cambridge
- Concord
- Lexington
- Lynnfield
- Medford
- Newton
- North Reading
- Reading
- Somerville
- Stoneham
- Wakefield
- Wilmington
- Winchester
- Woburn
…and more. Not sure we cover your zip code? Give us a call.
Schedule service or request an estimate
Let’s get you comfortable
- Address565 Main St
Reading, MA 01867 - HoursMonday–Friday, 8:00 AM–5:00 PM
24/7 emergency service available