Compare the highest-rated hvac professionals in Derry, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A premier full-service HVAC contractor specializing in high-efficiency heating and cooling solutions for Derry's variable climate. They are a Lennox Premier Dealer and specialize in complex ductwork design for older New England homes, ensuring even heating during harsh winters and efficient cooling in humid summers.
A family-owned and operated HVAC provider with deep roots in the Derry community. Known for their reliable repair services and comprehensive maintenance plans tailored to protect systems from winter strain and summer humidity. They are EPA-certified and work with top brands like Trane and Carrier.
Specializes in fast, responsive emergency service and energy-efficient system replacements. They excel at helping Derry homeowners choose the right-sized HVAC units for maximum efficiency, offering significant savings on winter heating bills. Their team is NATE-certified and available 24/7 for any breakdowns.
The HVAC market in Derry, NH, is characterized by high demand for robust and reliable systems due to a humid continental climate with cold, snowy winters and warm, humid summers. This creates a strong seasonal demand for furnace repairs and replacements in the fall/winter and AC service in the spring/summer. The presence of many older homes drives need for ductwork modernization and energy efficiency upgrades to combat high heating costs. Reputation, 24/7 emergency availability, and expertise with local building styles are critical differentiators for providers.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Derry regulations and climate
Get answers to common questions about hvac services in Derry, New Hampshire.
For a standard single-family home in Derry, a full AC system replacement typically ranges from $5,000 to $12,000. The final cost depends heavily on the home's size, the system's efficiency (SEER rating), and the complexity of the installation, such as ductwork modifications. Given our humid summers and temperature swings, investing in a properly sized, higher-efficiency unit (16+ SEER) is often recommended for long-term comfort and energy savings.
The ideal times are during the shoulder seasons—late spring (April-May) for AC service and early fall (September-October) for heating service. Scheduling during these periods avoids the extreme demand of Derry's hot, humid summers and cold, snowy winters, ensuring better availability and often more competitive pricing. This timing also guarantees your system is fully prepared for the upcoming season's demands.
While New Hampshire has no statewide mechanical licensing board, always verify your contractor is properly insured. More importantly, check for available rebates from utilities like Liberty Utilities or Unitil, which often offer incentives for installing high-efficiency heat pumps, furnaces, or air conditioners. Additionally, federal tax credits for qualified energy-efficient home improvements can provide significant savings on eligible HVAC equipment installed in your Derry home.
Prioritize local, established companies with strong community reputations and verifiable references. Ensure they are fully licensed (New Hampshire requires a Plumbing & Heating license for most HVAC work) and insured. A trustworthy Derry contractor will perform a detailed load calculation (Manual J) specific to your home's construction and our local climate, rather than simply matching the size of your old unit, to ensure optimal efficiency and comfort.
Modern cold-climate air-source heat pumps are an excellent and efficient option for many Derry homes, effectively providing both heating and cooling. They are highly efficient in our climate, though a hybrid system (pairing a heat pump with a gas or propane furnace for backup during extreme cold snaps below 15°F) is often the most cost-effective and reliable year-round solution. A local professional can assess your home's insulation and existing fuel sources to recommend the best system.