Looking for a reliable HVAC company in Dover, NH? Whether you're dealing with an AC that won't cool, a furnace that won't light, uneven rooms, or you're ready to upgrade to a heat pump, choosing the right technician makes all the difference. We've researched and compiled the top 9 HVAC companies serving Dover to help you find the best fit.
From diagnostic skill to response times, customer reviews, and service range, here are the 9 best HVAC companies in Dover, NH.
Dover HVAC ★ Editor's Pick
Dover HVAC is Dover's premier heating and air conditioning provider, delivering professional residential and commercial repairs and installations backed by experienced technicians and over a decade of hands-on HVAC work. As a locally owned and operated company, they understand the climate patterns and housing stock that shape how Dover comfort systems perform and fail.
What sets Dover HVAC apart is their repair-first approach, transparent pricing, and commitment to complete customer satisfaction. Every technician is background-checked, professionally trained across air conditioners, furnaces, heat pumps, and ductless systems, and arrives in a truck stocked with the most common replacement parts. They offer upfront pricing with no hidden fees and fast same-day or next-day appointments.
Why Dover HVAC Is Our #1 Pick:
- Fast Response & Same-Day Service, Available 6 days a week with same-day or next-day appointments across the Dover area
- Experienced Technicians, Every technician brings years of hands-on field experience across cooling, heating, heat pump, and ductless systems
- Upfront, Transparent Pricing, Clear diagnosis and written quotes before any work begins, no surprise charges
- Full-Service Comfort, Repairs, replacements, heat pump conversions, duct cleaning, maintenance, and commercial systems, all in one company
- Repair-First Honesty, If a small part fixes it, that's the recommendation; replacements are proposed only when the math truly favors them
- Maintenance Plans, Annual flush-and-inspect visits that clear sediment, check the anode rod, and extend system life
Rochester Plumbing & Heating
Rochester Plumbing & Heating offers comprehensive heating and air conditioning services, including AC repair, furnace repair, and new HVAC system installations. They are known for their reliable service and commitment to customer satisfaction in the Seacoast area.
Notable Strength: Strong reputation for reliable emergency heating and cooling repairs.
Years in Business: 70+
Heritage Plumbing & Heating
Heritage Plumbing & Heating provides a full range of HVAC services, from routine maintenance and repairs to complete system replacements for both residential and commercial clients. They are often praised for their professional and courteous technicians.
Notable Strength: Expertise in both residential and commercial HVAC solutions.
Years in Business: 30+
Atlantic Air Conditioning & Heating
Atlantic Air Conditioning & Heating specializes in the installation, service, and repair of air conditioning and heating systems. They are recognized for their efficient service and clear communication with customers.
Notable Strength: Focus on high-efficiency HVAC system installations.
Years in Business: 20+
Comfort Air, Inc.
Comfort Air, Inc. offers heating, ventilation, and air conditioning services to homes and businesses in the Dover area. They are often cited for their quick response times and thorough diagnostic capabilities.
Notable Strength: Responsive service for urgent HVAC issues.
Years in Business: 25+
Main Stream Mechanical
Main Stream Mechanical provides a wide array of HVAC services, including heating repair, AC installation, and preventative maintenance programs. Customers frequently commend their skilled technicians and attention to detail.
Notable Strength: Comprehensive preventative maintenance plans.
Years in Business: 20+
Rowell's Services
Rowell's Services offers heating and cooling system repairs, installations, and maintenance. They have a long-standing history in the region and are known for their customer-first approach.
Notable Strength: Extensive experience with various heating system types.
Years in Business: 30+
Cool Air Creations
Cool Air Creations specializes in air conditioning and heating system installations and repairs for residential properties. They are often praised for their custom solutions and friendly service.
Notable Strength: Customized HVAC system design and installation.
Years in Business: 15+
Pelletier Mechanical Services, LLC
Pelletier Mechanical Services, LLC provides heating, air conditioning, and ventilation services to the Dover community. They are known for their quality workmanship and dedication to ensuring optimal home comfort.
Notable Strength: High quality heating and AC installations.
Years in Business: 10+
How We Chose the Best HVAC Companies in Dover
Our ranking considered several key factors:
- Local Experience & Reputation: An established local track record, years of hands-on HVAC work, and strong word-of-mouth across the community.
- Customer Reviews: Online reviews across Google, Yelp, and the BBB for consistent quality and satisfaction.
- Response Time: Priority for companies offering fast scheduling, especially for no-hot-water calls and leaking tanks.
- Pricing Transparency: Companies providing clear diagnostics and written estimates ranked higher.
- Range of Services: Full-service companies that handle repairs, system replacements, heat pump conversions, ductless installs, and commercial work scored best.
- Diagnostic Quality: Preference for companies that identify the actual failed component, element, thermostat, gas valve, anode, rather than defaulting to full replacement.
- Local Presence: Companies with deep roots in the Dover community.
Need HVAC Help in Dover Right Now?
Call Dover's top-rated heating and air team for fast, professional service.
Call Dover HVAC: (351) 345-9323