Furnace Installation &
Replacement in Southern NH
Gas, oil, and propane furnaces installed and replaced by licensed NH technicians. Proper sizing, clean installation, and a workmanship warranty on every job.
Gas Furnace Installation & Replacement
A natural gas furnace is the most efficient and cost-effective heating option for most Southern NH homes with gas service. We install high-efficiency models from Goodman, Rheem, Bosch, Amana, American Standard, Carrier, and other major brands, properly sized using Manual J load calculations so you get the right system, not just the biggest one.
- Gas furnace installation and replacement
- High-efficiency 95+ AFUE models available
- Manual J load calculation sizing
- All permits pulled and inspections handled
- Workmanship warranty on every install
- NHSaves rebates available
Oil & Propane Furnace Installation
Homes without natural gas rely on oil or propane for heating. We install and replace oil and propane furnaces across Southern NH, including conversion work when customers switch fuel types. If you're considering a switch from oil to propane or adding a heat pump as a hybrid backup, we can walk you through all the options.
- Oil furnace installation and replacement
- Propane furnace installation
- Oil-to-gas or oil-to-propane conversions
- Hybrid furnace and heat pump systems
- Annual service and tune-up plans
- 24/7 emergency furnace repair
Furnace Installations
Furnace Brands We Install & Service
Goodman
Made-in-USA furnaces and HVAC systems offering solid reliability at an accessible price point. A popular choice for furnace replacement across Southern NH.
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Amana
Heating and cooling systems that last and last. Amana units come with some of the strongest limited lifetime warranties in the industry.
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Rheem
Complete heating, cooling, and water heating under one brand. Rheem furnaces, air conditioners, heat pumps, and water heaters all from a single trusted source.
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American Standard
Dependable furnaces, heat pumps, and air conditioners known for quiet operation and lasting performance. A trusted brand for long-term comfort.
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BoschPlatinum Dealer
Bosch IDS systems are among the quietest on the market and engineered specifically for cold climates. A strong performer at a competitive price point. As a Bosch Platinum Dealer we provide factory-trained installation and extended warranty coverage.
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Carrier
The brand built by the inventor of modern air conditioning. Carrier furnaces, air conditioners, heat pumps, and ductless mini splits are recognized for engineering quality and long service life.
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Trane
High-performance HVAC systems built to handle extreme conditions. Trane furnaces, heat pumps, and air conditioners deliver consistent comfort and long-term reliability.
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York
Energy-efficient air conditioners, heat pumps, furnaces, and air handlers from a brand backed by Johnson Controls.
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Lennox
A longtime Lennox dealer offering their full lineup of furnaces, air conditioners, and heat pumps.
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Thermo Pride
High-efficiency oil furnaces built for long life. Backed by comprehensive warranties and our expert oil furnace installation and service.
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Maytag
Dependable, energy-efficient heat pumps, air conditioners, and furnaces backed by a 12-year limited warranty. A trusted name in home comfort.
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Williamson-Thermoflo
Over a century of boiler and furnace manufacturing experience. High-efficiency gas and oil-fired boilers plus reliable gas furnaces.
Learn moreFurnace FAQ
How much does furnace installation cost in NH?
A gas furnace replacement in Southern NH typically runs $4,200 to $9,400 installed, depending on the efficiency rating and any ductwork modifications needed. We provide free written estimates covering all equipment, labor, permits, and our workmanship warranty, no surprises.
How long does furnace installation take?
Most furnace replacements are completed in one day. We remove the old unit, install the new system, test all controls and safety systems, and walk you through the thermostat before we leave.
What brands do you install?
We install Goodman, Rheem, Bosch, Amana, American Standard, Carrier, Thermo Pride, and other major brands. We'll recommend the right model for your home based on size, efficiency goals, and budget.
Are there rebates for high-efficiency furnaces?
NHSaves utility rebates are available for qualifying high-efficiency heating equipment. We'll identify every rebate that applies and handle the paperwork on your behalf.
Do you handle the permit?
Yes. We pull all required permits and schedule inspections with the local building department. You don't need to do anything.
My furnace stopped working, do you offer emergency service?
Yes. We provide 24/7 emergency furnace repair throughout Southern NH. Call 603-623-0412 any time.
Get a Free Furnace Estimate
We assess your home, recommend the right system, identify all available rebates, and give you a written quote upfront. No pressure.
Get in Touch
Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
Schedule Online in 60 Seconds
Pick a date and time that works for you. Service, maintenance, or estimate visits, no phone tag.
Contact Information
Mon-Fri: 8am-4:30pm
Evenings & Weekends: Emergency Service
24/7 Emergency Service
No heat? No hot water? Call 603-623-0412 any time.