We fix what's broken, fast, and we don't disappear after the invoice. Emergency dispatch available across Onalaska and the surrounding zip codes.
Our Onalaska dispatcher asks a few quick questions to gauge urgency and get you the fastest available window.
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 was built by technicians who got tired of watching homeowners get oversold. Our crews carry manufacturer certifications across the major residential and commercial equipment lines.
You won't find us buried under layers of call-center scripts — we're the company that tells you what actually needs fixing instead of what pads the ticket. Licensing and insurance aren't optional line items for us, and we keep that documentation available on request for every job, residential or commercial.
We know which neighborhoods run on older ductwork and which subdivisions were built with newer high-efficiency systems. That local knowledge shapes the parts we stock on the truck — it's the difference between a tech who's guessing and a tech who's seen your exact situation a hundred times before.
Ask around Onalaska and you'll hear the same complaint about a lot of HVAC companies. That's the gap we built Leonard HVAC to close. We track arrival windows, callback rates, and repeat-issue complaints internally so problems get caught before they become patterns, because a customer who trusts us once tends to call us again — and Onalaska is a small enough community that reputation travels fast.
That local context saves time on every call, because we're not starting from zero on basic questions about your neighborhood or your system. We keep parts inventory stocked based on what actually fails most often on Onalaska's housing stock.
Whether it's a mid-summer breakdown or a planned system replacement, our Onalaska 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 Onalaska dispatch team prioritizes no-heat and no-cooling calls so a technician is diagnosing your system as fast as physically possible.
We keep the truck stocked with the parts that fail most often on the equipment common to Onalaska homes, which is exactly why most repairs don't require a return visit.
An aging system that's constantly breaking down usually costs more to keep patching than to replace. We walk Onalaska homeowners through financing and rebate options where available before a single piece of equipment gets ordered.
Most installs in Onalaska are completed in a single day, and we walk you through the new thermostat and any app controls before we leave.
Downtime in a commercial space costs money every hour a system is offline. Our commercial division services light industrial and warehouse ventilation across Onalaska, with after-hours work to avoid disrupting business.
We understand that a commercial call isn't just about comfort, it's about keeping a business open.
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 indoor air quality upgrades for homes with allergy or asthma concerns for Onalaska households that want more than just temperature control.
Maintenance plan members in Onalaska get scheduling reminders automatically, so tune-ups don't fall through the cracks during a busy season.
Guarantees only mean something if a company actually honors them, so here's exactly what ours covers.
Every repair comes with a workmanship warranty explained in plain terms before we leave.
We quote a flat rate before work begins and that number doesn't change once you approve it.
A technician doesn't consider the job done until the system is tested and performing correctly.
Most breakdowns don't happen without warning — they announce themselves for weeks before the system actually quits.
Ignoring new noises is one of the fastest ways to turn a small repair into a major one.
Weak airflow from the vents often traces back to a clogged filter, a failing blower motor, or leaking ductwork.
A system working harder than it should to hit the same temperature shows up directly on your utility bill.
A system that won't hold a steady cycle is often fighting a sizing issue, a thermostat problem, or a refrigerant imbalance.
Chemical odors may signal a refrigerant leak, which requires a licensed technician to handle safely.
If you're calling about the same problem every few months, the underlying cause likely hasn't been fully addressed.
We explain diagnostic fees and repair estimates before authorizing work.
Dispatchers give you a realistic arrival window instead of a vague "sometime today".
Parts and labor are backed by warranty terms explained in plain language.
Every technician carries current state licensing and manufacturer training.
Photos and plain-language notes accompany every diagnostic.
Replacement systems don't have to be paid in one lump sum.
Every review below reflects an actual service call in the Onalaska area.
"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. Techs are always polite, always on time, and clean up after themselves."
"They handled the whole install in a single day, exactly like they said they would. Would recommend to anyone in Onalaska needing a real replacement, not a patch job."
"Our restaurant's rooftop unit went down on a Friday night and they had someone out fast. Now our go-to for every property in the portfolio."
"Got quotes from four different companies for a replacement and this was the only one that actually walked me through the load calculation. Would use them again without hesitation."
"Called at 11pm during a heat wave and honestly didn't expect anyone to pick up, let alone show up. No overnight surcharge shock — the price matched what dispatch quoted me on the phone."
Understanding what typically fails helps homeowners know what to watch for and when a repair call is worth making before things get worse.
The shift between peak heating and peak cooling demand is exactly when older or neglected equipment tends to fail. 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.
Simple habits between professional visits also matter. None of this replaces a professional tune-up, but it does reduce the wear that leads to premature breakdowns between visits.
Our technicians train across the major residential and commercial equipment lines, so you're not limited to a single brand's service network. 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.
Here's a look at the kind of experience that shows up at your door.
Handles the majority of Onalaska installs and specializes in properly sizing equipment for older housing stock.
Known for fast, accurate diagnostics on no-heat and no-cool breakdowns.
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.
We explain the diagnostic fee upfront and provide a flat-rate repair quote once the issue is identified.
Our emergency line runs 24 hours a day, including nights, weekends, and holidays.
We maintain current credentials because it protects both our customers and our team.
We never push a replacement when a straightforward repair will genuinely solve the problem.
Ask your technician about current plan pricing during any service call.
Our dispatch area extends throughout the greater Onalaska region and nearby towns within Onalaska, WI.
Property managers and business owners can request a dedicated point of contact for ongoing service.
If parts require special ordering for a less common brand, we'll communicate that timeline upfront.
We understand a full system replacement is a significant expense, which is why flexible payment options exist.
Systems that run harder due to heavy year-round use may benefit from more frequent check-ins.
Beyond basic safety checks, it's best to leave diagnosis to a licensed technician rather than attempting a repair yourself.
Our pricing is explained clearly before dispatch, and any after-hours consideration is communicated upfront — never as a surprise on the final invoice.
Straightforward fixes like a capacitor swap or a thermostat replacement are often finished in well under an hour.
For commercial accounts or rental properties, a designated point of contact or property manager can coordinate access instead.
From the older, established streets near the center of Onalaska to the newer developments on the outskirts, our trucks cover the full footprint of the city.
We also work regularly with homeowners associations, property management companies, and multi-unit buildings throughout Onalaska.
Qualifying installations can be financed through options we'll walk you through during your in-home estimate, with terms explained clearly before you commit to anything. If a rebate or local incentive program applies to your Onalaska installation, our technicians will flag it during the estimate rather than leaving you to track it down after the fact.
We dispatch throughout Onalaska and the neighboring communities, keeping response times tight because our trucks stay close to home.
If you're on the edge of our listed zip codes, it's still worth a call, since routes and coverage get adjusted as demand shifts.
