Serving Manchester, NH & Surrounding Areas
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HVAC Contractor Manchester NH

Granite HVAC Solutions delivers precision heating and cooling engineered for the harsh winters and humid summers of Manchester, NH. From cold climate heat pump installations and dual fuel hybrid systems to emergency boiler repairs and furnace tune-ups, our EPA Section 608 certified technicians provide rigorous diagnostics and dependable climate control. We run comprehensive Manual J heating load calculations to guarantee proper equipment sizing, eliminating cold spots and preventing unnecessary auxiliary heat strip activation during deep winter freezes.

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Manchester's Trusted Heating, Cooling & Heat Pump Specialists

Located at 555 N Commercial St, Granite HVAC Solutions provides engineering-backed mechanical comfort across Manchester and surrounding neighborhoods. We specialize in oil to heat pump conversions, hydronic baseboard heating service, and high-efficiency gas systems. Rather than relying on standard rules of thumb, we analyze building envelopes, verify combustion air intake safety, and perform static pressure testing to ensure every system achieves optimal AFUE and SEER2 performance.

Whether your legacy boiler is suffering from short cycling or you need refrigerant leak detection on a ductless mini split, our experienced team delivers long-term reliability backed by transparent communication and upfront diagnostic standards.

Manchester's Trusted Heating, Cooling & Heat Pump Specialists — Manchester, NH

Certified Technicians Committed to Mechanical Excellence

Our service technicians are EPA Section 608 certified and trained in low ambient heat pump performance curves, hydronic air elimination, and advanced flue gas combustion analysis. We do not subcontract our specialized heating work. Every technician dispatched to your Manchester property possesses the instrumentation and experience required to resolve emergency no-heat calls, clear frozen condensate drain lines, and fine-tune complex multi-zone heating controls.

Certified Technicians Committed to Mechanical Excellence at Granite HVAC Solutions

What we are listed for

HVAC contractor

As Manchester’s trusted HVAC contractor, Granite HVAC Solutions keeps your home comfortable through harsh subzero cold snaps and humid summer heat waves. Our EPA Section 608 certified technicians specialize in cold climate heat pump efficiency, hydronic baseboard heating service, oil to heat pump conversions, and precision dual fuel hybrid systems. We solve complex airflow, boiler short cycling, and refrigerant issues using detailed Manual J heating calculations and combustion analysis. Explore our dedicated HVAC contractor services to schedule your annual furnace tune-up or custom system upgrade today.

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Priority services

Emergency HVAC Service

Emergency HVAC Service is one of the calls we take first in Manchester. The page below covers when to use it, what happens after you call, and how we price the work without a public dollar list. See Emergency HVAC Service.

AC Repair

AC Repair is one of the calls we take first in Manchester. The page below covers when to use it, what happens after you call, and how we price the work without a public dollar list. See AC Repair.

Duct Repair & Sealing

Duct Repair & Sealing is one of the calls we take first in Manchester. The page below covers when to use it, what happens after you call, and how we price the work without a public dollar list. See Duct Repair & Sealing.

HVAC contractor service areas

HVAC contractor coverage starts from one Google Business Profile in Manchester. Nearby cities live on the service-areas hub — this homepage is the listing landing page, not a second storefront. Open the locations hub for the cities we already serve.

Complete Heating, Ventilation & Air Conditioning Solutions

From historic multi-family mill homes to modern light commercial facilities, we tailor our heating and cooling systems to withstand severe regional temperature extremes.

AC Repair Manchester

AC Repair

When high summer humidity and heatwaves strike the Merrimack Valley, you need dependable AC repair in Manchester to restore indoor comfort immediately.

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AC Installation Manchester

AC Installation

Upgrade your home comfort with expert AC installation in Manchester engineered specifically for our local climate demands.

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AC Maintenance/Tune-Up Manchester

AC Maintenance/Tune-Up

Keep your cooling equipment operating at peak efficiency throughout the hottest summer months with comprehensive AC maintenance/tune-up in Manchester.

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Furnace Repair Manchester

Furnace Repair

When subzero winter winds sweep through southern New Hampshire, dependable furnace repair in Manchester is vital to keeping your household safe and warm.

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Furnace Installation Manchester

Furnace Installation

Ensure dependable warmth and lower winter heating bills with top-tier furnace installation in Manchester customized to your property.

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Heat Pump Installation/Repair Manchester

Heat Pump Installation/Repair

Granite HVAC Solutions provides expert heat pump installation and repair in Manchester to deliver dependable year-round comfort across challenging seasonal shifts.

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Ductless Mini-Split Installation Manchester

Ductless Mini-Split Installation

Granite HVAC Solutions provides customized ductless mini-split installation in Manchester to deliver targeted heating and cooling to every room in your home.

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Duct Cleaning Manchester

Duct Cleaning

Granite HVAC Solutions delivers thorough duct cleaning in Manchester to eliminate accumulated debris, allergens, and dust throughout your forced-air duct system.

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Duct Repair & Sealing Manchester

Duct Repair & Sealing

Granite HVAC Solutions specializes in duct repair and sealing in Manchester to stop conditioned air loss and balance airflow across your entire property.

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Indoor Air Quality Manchester

Indoor Air Quality

Granite HVAC Solutions offers comprehensive indoor air quality in Manchester to eliminate airborne contaminants, regulate seasonal humidity, and ensure fresh air circulation throughout your home.

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Smart Thermostat Installation Manchester

Smart Thermostat Installation

Granite HVAC Solutions delivers precision smart thermostat installation Manchester homeowners count on to tame harsh winter utility spikes and simplify seasonal transitions.

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Emergency HVAC Service Manchester

Emergency HVAC Service

When unexpected heating failures strike during freezing weather, Granite HVAC Solutions provides immediate emergency HVAC service Manchester residents rely on for home safety and comfort.

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HVAC Maintenance Plans Manchester

HVAC Maintenance Plans

Invest in long-term heating performance and lower utility costs with dedicated HVAC maintenance plans Manchester homeowners trust across every season.

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Commercial HVAC Manchester

Commercial HVAC

Maintain enterprise uptime, employee comfort, and operational efficiency with comprehensive commercial HVAC Manchester business owners trust for heavy-duty performance.

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New Construction HVAC Manchester

New Construction HVAC

Build high-performance comfort into your architectural plans from the foundation up with expert new construction HVAC Manchester builders and custom homeowners depend upon.

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Water Heater Services Manchester

Water Heater Services

Granite HVAC Solutions delivers precision water heater services in Manchester for high-efficiency hybrid heat pump systems, conventional tanks, and integrated hydronic heating configurations.

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Whole-Home Dehumidification & Indoor Air Quality

Summer humidity in Manchester can strain your air conditioning system and create damp indoor conditions. We integrate whole-home dehumidifiers, high-MERV filtration, and energy recovery ventilators directly into your duct system, protecting your indoor air quality and preserving structural woodwork year-round.

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Whole-Home Dehumidification & Indoor Air Quality — Manchester

Frequently Asked HVAC Questions

Timing depends on the job and where you are in Manchester. Call the number on this page.

Cost depends on the job, access, and distance — we do not publish a dollar list here. Call for a quote for Manchester.

Stay reachable by phone. If someone else will meet the crew, leave that name and a gate code when you call.

Keep people clear of the work area and have the address ready. If it is unsafe, move to a well-lit spot and call us back.

Call with the city, the problem, and a callback number. We quote before we start when the job is clear enough to price.

Call the listing phone. Give the city, the problem, and a callback number. Call the number on this page.

Need help in Manchester?

Call the listing number. We quote before we start when the job is clear.

Call +1 (978) 925-4163

Serving Manchester and Surrounding Merrimack Communities

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