Our crews stationed throughout New Hampshire, NH carry the parts and know-how to get your air moving again today. Priority scheduling available across New Hampshire, NH.

Call +1-866-805-8548 and describe what your system is doing — the symptoms help us send a tech prepared with the right parts.
A licensed technician arrives, runs a full diagnostic, and explains exactly what's wrong in plain language.
Warranty details are explained clearly so you know exactly what's covered going forward.
Leonard HVAC grew one honest service call at a time in communities across New Hampshire, NH. Our crews carry manufacturer certifications across the major residential and commercial equipment lines.
We're not the biggest name in New Hampshire, NH — we're the crew that answers the phone at 2am when your furnace quits in the middle of a cold snap. We carry the credentials New Hampshire, NH inspectors and property managers expect to see, and we keep that documentation available on request for every job, routine or emergency.
We know which parts of New Hampshire, NH run on older ductwork and which newer developments were built with high-efficiency systems. That local knowledge shapes how we diagnose problems — it's the difference between a tech who's guessing and a tech who's seen your exact situation a hundred times before.
Whether it's a mid-summer breakdown or a planned system replacement, our New Hampshire, NH techs handle it with the same level of care.
Breakdowns rarely happen at a convenient time, which is exactly why our emergency line runs 24 hours a day. Our New Hampshire, NH dispatch team prioritizes no-heat and no-cooling calls so a technician is diagnosing your system as fast as physically possible.

Not every repair call ends in a repair — sometimes the honest recommendation is a properly sized replacement. We walk New Hampshire, NH homeowners through load calculations so the new system is sized correctly for the actual square footage before a single piece of equipment gets ordered.

A retail floor, a restaurant kitchen, or an office suite can't run without stable climate control. Our commercial division services rooftop units and package systems across New Hampshire, NH, with priority response for facilities that can't afford downtime.

A seasonal tune-up catches the kind of wear that turns into a mid-summer no-cool call. Beyond standard tune-ups, we also handle humidifier, dehumidifier, and air purifier installation for New Hampshire, NH households that want more than just temperature control.

This is the standard every New Hampshire, NH technician on our team is held to.
If the same issue returns within the warranty period, we come back and fix it at no additional labor cost.
We quote a flat rate before work begins and that number doesn't change once you approve it.
Our office follows up after major repairs and installs to confirm everything is holding.
Catching these signs early usually means a same-day repair instead of an emergency call at the worst possible moment.
Rattling during startup often means a component has worked itself loose and needs tightening before it causes real damage.
This is one of the most common complaints we hear on service calls across New Hampshire, NH.
Gradual efficiency loss is easy to miss month to month, but it adds up fast over a season.
This is one of the warning signs we recommend not waiting on.
Chemical odors may signal a refrigerant leak, which requires a licensed technician to handle safely.
We'll always tell you honestly when a repair is the better call versus when it isn't.
We explain diagnostic fees and repair estimates before authorizing work.
Because our trucks are stationed throughout New Hampshire, NH, we're rarely far from your address.
Parts and labor are backed by warranty terms explained in plain language.
Our techs recognize brand-specific quirks instead of learning your system on the job.
We explain what failed, why it failed, and what the options are.
We'll walk you through what's actually available before you decide.
Every review below reflects an actual service call somewhere in New Hampshire, NH.
"I called three other companies first and this was the only one that actually picked up. No pressure to buy a whole new system when a repair was all we needed."
"Signed up for the annual plan after our first repair and it's paid for itself already. You can tell these guys actually know what they're doing."
"Explained the sizing calculation so I understood why they weren't just installing the same unit again. Followed up a week later just to check everything was still running fine."
"As a property manager, having a company that actually answers after-hours calls is rare. Now our go-to for every property in the portfolio."
None of these are unusual or embarrassing — they're just the normal wear and tear that comes with running a system through New Hampshire, NH's seasonal swings.
New Hampshire, NH's seasonal swings put real stress on a system that isn't maintained regularly. Before the coldest stretch of the year, a heating system benefits from a full safety inspection, checking the heat exchanger, ignition system, and airflow to catch any issue that could turn into a no-heat emergency.
Keeping vents unblocked by furniture and rugs helps maintain even airflow throughout the home. None of this replaces a professional tune-up, but it does reduce the wear that leads to premature breakdowns between visits.
Whether your New Hampshire, NH home has a traditional split system, a ductless mini-split, a heat pump, or a hybrid dual-fuel setup, our crews are equipped to diagnose and repair it. If your system was installed by a different company entirely, that's not a problem — we service equipment regardless of who originally put it in, and we'll pull the model and serial information to confirm parts compatibility before any repair begins.
We don't outsource dispatch to a call center that's never met our technicians.

Handles the majority of New Hampshire, NH installs and specializes in properly sizing equipment for older housing stock.

Runs point on overnight and weekend emergency calls throughout New Hampshire, NH.

Focuses on commercial rooftop units, multi-zone systems, and facility maintenance contracts.
For emergency no-heat or no-cool calls, we prioritize dispatch and aim to have a technician on-site the same day, often within a couple of hours.
Our policy is simple: you approve the number before we touch the system.
Our emergency line runs 24 hours a day, including nights, weekends, and holidays.
Every technician we send is licensed in accordance with New Hampshire, NH requirements and carries full liability coverage.
As a general guideline, if a system is past 12-15 years old and facing a costly repair, replacement often makes more financial sense.
Ask your technician about current plan pricing during any service call.
Our coverage spans the major population centers and surrounding communities across New Hampshire, NH.
Yes, we run separate residential and commercial divisions, both fully licensed and equipped for their respective equipment.
Our technicians are trained across the major residential and commercial equipment lines, not limited to a single manufacturer.
We understand a full system replacement is a significant expense, which is why flexible payment options exist.
Housing stock varies a lot across New Hampshire, NH — older homes often still run original ductwork that needs different care than the sealed, high-efficiency systems going into newer builds.
If you manage several units or a shared system across a New Hampshire, NH property, ask about setting up a standing service account so every request gets handled under one consistent agreement.
A full system replacement is one of the bigger home expenses most people face, and we don't expect everyone to pay it in a single lump sum. If a rebate or local incentive program applies to your New Hampshire, NH installation, our technicians will flag it during the estimate rather than leaving you to track it down after the fact.
We dispatch across New Hampshire, NH, keeping response times tight with crews stationed in multiple regions.