The Best HVAC in Greenfield, NH

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

#1

Greenfield Climate Control

4.8
(127 reviews)
Verified

A full-service HVAC contractor specializing in energy-efficient heating and cooling solutions for Greenfield's variable climate. They excel in installing and maintaining high-efficiency heat pumps, furnaces, and central AC systems, with a strong focus on reducing energy costs for homeowners. Their technicians are NATE-certified and particularly skilled in retrofitting older homes with modern, efficient HVAC systems.

84 Forest Road, Greenfield, NH 03047

Specialties & Features

Energy Efficiency Upgrades
Heat Pump Installation
24/7 Emergency Service
Ductwork Design

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Monadnock Heating & Cooling

4.6
(94 reviews)
Verified

Serving the Greenfield area for over two decades, this provider has deep expertise in handling the region's harsh winters and humid summers. They are authorized dealers for Carrier and Bryant systems and specialize in furnace repair and replacement—critical for New Hampshire winters. Their maintenance plans are comprehensive, focusing on preventing costly mid-winter breakdowns.

312 Main Street, Greenfield, NH 03047

Specialties & Features

Furnace Repair & Installation
24/7 Emergency Service
Preventative Maintenance Plans
Boiler Services

Business Information

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

ProTemp Mechanical Solutions

4.5
(78 reviews)
Verified

A highly technical HVAC company that focuses on smart home integration and zoning systems for optimal comfort and efficiency. They are particularly adept at solving uneven heating and cooling problems in Greenfield's older, historic homes through advanced ductwork modification and mini-split system installations. Their technicians hold advanced EPA certifications for handling refrigerants.

5 Lakeside Drive, Greenfield, NH 03047

Specialties & Features

Ductwork Services
Mini-Split Systems
HVAC Zoning
Smart Thermostat Integration

Business Information

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

Why These Are the Top HVAC Contractors in Greenfield

Greenfield, NH experiences a humid continental climate with cold, snowy winters and warm, humid summers, creating year-round demand for reliable HVAC services. The market consists primarily of local, family-owned businesses that have built long-term reputations, as national chains have little presence. A significant portion of the housing stock consists of older homes, driving demand for system upgrades, ductwork modifications, and energy efficiency retrofits to improve comfort and reduce high heating oil and propane costs. The fall 'heating tune-up' and mid-winter emergency service periods are particularly critical seasonal demands.

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 Greenfield regulations and climate

Frequently Asked Questions About HVAC in Greenfield

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

1What is the typical cost range for replacing a central air conditioning system in a Greenfield home?

For a full high-efficiency central AC system replacement in Greenfield, homeowners can typically expect to pay between $5,000 and $12,000. This range accounts for the system size needed for our humid summers, the complexity of installation in older New England homes which may require ductwork modifications, and the choice of equipment. It's crucial to get a detailed, itemized estimate that includes removal of the old unit, all materials, labor, and commissioning.

2When is the best time of year to schedule HVAC maintenance or replacement in Greenfield, NH?

The optimal times are during the shoulder seasons—late spring (April-May) before AC demand peaks and early fall (September-October) before heating season begins. Scheduling during these periods ensures greater availability for Greenfield HVAC contractors and allows you to address any issues before our severe winter cold or summer humidity hits. Avoid the peak of summer or the first deep freeze in winter, as emergency service wait times will be longer.

3Are there any local regulations or rebates in New Hampshire I should know about when upgrading my heating system?

While Greenfield has no unique local codes beyond New Hampshire's building codes, the state and utility providers offer significant incentives. Notably, New Hampshire's NHSaves program provides rebates for installing high-efficiency heat pumps, which are an excellent choice for our climate, and for qualifying natural gas or oil-fired systems. Always check with your HVAC contractor and Eversource or your local utility for the latest rebates, which can reduce your upfront cost by hundreds of dollars.

4How do I choose a reliable HVAC contractor in the Greenfield area?

Look for a contractor who is locally established, fully licensed and insured in New Hampshire, and has positive reviews from local homeowners. They should perform a detailed load calculation (Manual J) for your specific home, as Greenfield's variable terrain and older housing stock require precise sizing. A trustworthy provider will also be familiar with the common issues in our region, such as managing humidity with AC in summer and ensuring heating systems can handle sub-zero January temperatures.

5My heat pump seems less efficient during the coldest Greenfield winters. Is this normal, and what are my options?

Yes, this is a common concern. Standard air-source heat pumps lose efficiency as temperatures drop below freezing, which is frequent here. For optimal year-round comfort and efficiency, many Greenfield homeowners opt for a cold-climate heat pump specifically rated for low temperatures or install a hybrid (dual-fuel) system. This pairs a heat pump with a backup furnace (propane or oil) that automatically takes over during extreme cold, providing the best balance of efficiency and reliable heat.