The Best HVAC in Grafton, NH

Compare the highest-rated hvac professionals in Grafton, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Grafton Climate Control

4.8
(124 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency heating and cooling solutions for Grafton's harsh winters and humid summers. They offer comprehensive installation, repair, and maintenance services for all major brands, with a strong focus on energy-efficient upgrades and improving indoor air quality.

112 Main Street, Grafton, NH 03240

Specialties & Features

24/7 Emergency Service
Energy Efficiency Audits
Cold Climate Heat Pumps
Boiler Systems
Ductless Mini-Splits

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

White Mountain Heating & Cooling

4.6
(92 reviews)
Verified

A family-owned HVAC provider with deep roots in the Lakes Region. They excel in installing and servicing robust heating systems crucial for New Hampshire winters, including oil and propane furnaces, as well as modern air conditioning solutions. Known for their responsive emergency repair team and thorough seasonal maintenance plans.

45 Highland Drive, Grafton, NH 03240

Specialties & Features

Furnace Repair & Installation
24/7 Emergency Service
HVAC Maintenance Plans
Ductwork Design & Sealing
Oil and Propane Systems

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

EcoTherm HVAC Solutions

4.5
(78 reviews)
Verified

A forward-thinking contractor specializing in energy-efficient and sustainable HVAC technologies. They are the local experts for geothermal and air-source heat pump installations, helping homeowners reduce energy costs. They also provide traditional furnace and AC services, with a strong emphasis on proper system sizing and home performance.

200 Grafton Turnpike, Unit 4, Grafton, NH 03240

Specialties & Features

Energy Efficiency Upgrades
Heat Pump Installation
Geothermal Systems
Indoor Air Quality Solutions
System Repairs

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Grafton

The HVAC market in Grafton, NH, is heavily influenced by its humid continental climate, characterized by very cold, snowy winters and warm, humid summers. This creates a consistent, year-round demand for reliable heating and cooling services. The primary needs are for robust winter heating systems (including oil, propane, and modern cold-climate heat pumps) and efficient summer AC. Homeowners increasingly seek energy-efficient upgrades and heat pumps to combat high winter fuel costs. The market consists of a mix of long-standing local providers and newer companies specializing in modern efficiency technologies, all of which must be adept at servicing a wide range of systems from historic homes to new constructions.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Grafton regulations and climate

Frequently Asked Questions About HVAC in Grafton

Get answers to common questions about hvac services in Grafton, New Hampshire.

1What is the best time of year to schedule HVAC maintenance or replacement in Grafton?

For maintenance, early fall (for heating) and late spring (for cooling) are ideal to ensure systems are ready for Grafton's cold winters and humid summers. For full system replacement, scheduling in these shoulder seasons is also best to avoid the high-demand emergency periods of January or July. Local contractors in the Upper Valley region have more availability during these times, which can lead to better scheduling and potentially more competitive pricing.

2Are there any local New Hampshire or Grafton-specific regulations or rebates for installing a new, energy-efficient HVAC system?

Yes, New Hampshire offers rebates through NHSaves for qualifying high-efficiency heat pumps, furnaces, and boilers, which are excellent for our climate. Additionally, Grafton homeowners should check with their local electric provider (like New Hampshire Electric Co-op) for any specific incentives. It's also crucial to ensure your HVAC contractor is licensed by the New Hampshire Department of Safety (for fuel-burning equipment) and pulls any required local permits for installation.

3Why is a heat pump often recommended for homes in Grafton, and what are the cost considerations?

Modern cold-climate air-source heat pumps are highly recommended because they provide efficient heating in Grafton's winters and cooling during humid summers, replacing both a furnace and an AC. Installation costs vary but typically range from $8,000 to $20,000+ depending on home size and system type, but operational savings and available NHSaves rebates can improve long-term value. Given our long heating season, the efficiency gain over older oil or propane systems is significant.

4How do I choose a reliable HVAC contractor serving the Grafton area?

Prioritize local, established companies with strong reputations in the Upper Valley region, as they understand the specific challenges of our rural homes and climate. Verify they hold a valid New Hampshire Mechanical License and proper insurance, and ask for references from recent jobs in Grafton or nearby towns like Canaan or Enfield. A trustworthy contractor will perform a detailed load calculation (Manual J) for your specific home, not just size by square footage.

5My home uses oil heat and has no ductwork. What are my options for upgrading to a more efficient system?

This is very common in older Grafton homes. Excellent ductless mini-split heat pump systems are a primary solution, providing zoned heating and cooling without ductwork. Another option is a high-efficiency, direct-vent propane or modulating cold-climate boiler paired with a separate mini-split for AC. A qualified local HVAC professional can assess your home's insulation, layout, and your goals to recommend the most cost-effective and comfortable upgrade path for our region.