Our River Grove-based crews carry the parts and the know-how to get your air moving again today. Same-day appointments available across River Grove and the surrounding zip codes.

No automated menus for emergencies — a real person handles the call.
You'll get a flat-rate quote before any repair work begins — no guessing what the final bill will look like.
Warranty details are explained clearly so you know exactly what's covered going forward.
Leonard HVAC didn't start as a franchise chasing volume. Our crews carry manufacturer certifications across the major residential and commercial equipment lines.
We're not the biggest name in River Grove — 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 River Grove inspectors and property managers expect to see, and we keep that documentation available on request for every job, big or small.
We know which neighborhoods run on older ductwork and which subdivisions were built with newer 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.
Ask around River Grove and you'll hear the same complaint about a lot of HVAC companies. That's the gap we built Leonard HVAC to close. Every dispatcher, every technician, and every follow-up call is held to the same standard, because a customer who trusts us once tends to call us again — and River Grove is a small enough community that reputation travels fast.
Our office team is based locally too, not routed through an out-of-state call center that's never seen a River Grove rooftop unit. Our warranty and service history records stay attached to your address, so any future technician who visits already has the full picture.
Every service below is backed by the same licensing, warranty, and upfront pricing you get on any job we run.
A dead system in the middle of a heat wave or a cold snap isn't just inconvenient — it can be a real safety issue for kids, pets, and older residents. Our River Grove dispatch team sends the closest available truck first so a technician is diagnosing your system as fast as physically possible.
If a specialty part genuinely does need to be ordered, we'll set up a safe temporary fix and give you a real timeline instead of leaving you guessing.

Not every repair call ends in a repair — sometimes the honest recommendation is a properly sized replacement. We walk River Grove homeowners through financing and rebate options where available before a single piece of equipment gets ordered.
Most installs in River Grove are completed in a single day, and we walk you through the new thermostat and any app controls before we leave.

A retail floor, a restaurant kitchen, or an office suite can't run without stable climate control. Our commercial division services light industrial and warehouse ventilation across River Grove, with service agreements built around your operating hours.
We understand that a commercial call isn't just about comfort, it's about keeping a business open.

Preventive maintenance is the cheapest repair you'll ever pay for, because it's the one that prevents the bigger bill. Beyond standard tune-ups, we also handle indoor air quality upgrades for homes with allergy or asthma concerns for River Grove households that want more than just temperature control.
A tune-up typically takes under an hour and covers the checkpoints most likely to catch a problem before it becomes a breakdown.

This is the standard every River Grove 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.
Ignoring new noises is one of the fastest ways to turn a small repair into a major one.
If some rooms stay hot or cold no matter what the thermostat says, the system may be struggling to distribute air evenly.
A tune-up often identifies exactly what's driving the extra energy use.
This is one of the warning signs we recommend not waiting on.
A musty smell often points to mold or moisture buildup somewhere in the ductwork.
We'll always tell you honestly when a repair is the better call versus when it isn't.
No inflated "emergency surcharge" games — the number we quote is the number you pay.
Because our trucks are stationed near River Grove, 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.
You make the final call — we just make sure you have the full picture.
We'll walk you through what's actually available before you decide.
Every review below reflects an actual service call in the River Grove area.
"Our AC quit on the hottest weekend of the year and they had a tech out within a couple of hours. No pressure to buy a whole new system when a repair was all we needed."
"We've used them for our maintenance plan for two years now and never had a surprise breakdown. Never once felt like I was being upsold on something I didn't need."
"Explained the sizing calculation so I understood why they weren't just installing the same unit again. Would recommend to anyone in River Grove needing a real replacement, not a patch job."
"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."
"The estimate matched the final invoice exactly, down to the dollar. Installation crew was in and out in a day and left the space cleaner than they found it."
"The tech walked me through what he was checking as he went, which I really appreciated. No overnight surcharge shock — the price matched what dispatch quoted me on the phone."
After thousands of service calls across River Grove, a handful of causes show up again and again.
River Grove'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.
We also service package units common on manufactured and modular homes throughout the River Grove area. 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.
Every tech on our River Grove roster goes through background checks, licensing verification, and ongoing manufacturer training.

Handles the majority of River Grove installs and specializes in properly sizing equipment for older housing stock.

Keeps the emergency truck stocked based on what actually fails most often locally.

Focuses on commercial rooftop units, multi-zone systems, and facility maintenance contracts.
Standard appointments are usually scheduled within 24-48 hours, while true emergencies jump the queue.
Our policy is simple: you approve the number before we touch the system.
Yes, no-heat and no-cool situations are treated as priority calls regardless of the hour.
Every technician we send is licensed in accordance with River Grove, IL requirements and carries full liability coverage.
We never push a replacement when a straightforward repair will genuinely solve the problem.
Yes, our maintenance plans include seasonal tune-ups, priority scheduling, and discounted repair rates for members.
Our dispatch area extends throughout the greater River Grove region and nearby towns within River Grove, IL.
Yes, we run separate residential and commercial divisions, both fully licensed and equipped for their respective equipment.
Yes, we service systems regardless of who originally installed them.
Financing options are available for qualifying replacement installations, and our team can walk you through what's currently offered.
Twice-yearly maintenance is the standard we recommend given the temperature swings the area sees.
Check that the thermostat has power and the batteries aren't dead, and check your breaker panel for a tripped switch before calling.
Our pricing is explained clearly before dispatch, and any after-hours consideration is communicated upfront — never as a surprise on the final invoice.
Most standard repairs are completed in under two hours once the technician has diagnosed the issue and you've approved the quote.
Let dispatch know ahead of time if access will be handled differently than a standard homeowner visit.
Housing stock varies a lot across River Grove — 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 River Grove property, ask about setting up a standing service account so every request gets handled under one consistent agreement.
We accept standard payment methods for repairs and smaller jobs, and we'll always tell you upfront what a given service is likely to cost so there's no last-minute scramble to figure out payment. If a rebate or local incentive program applies to your River Grove installation, our technicians will flag it during the estimate rather than leaving you to track it down after the fact.
If your address falls within River Grove, IL and near River Grove, there's a strong chance we already service your street.
Coverage isn't limited to a single neighborhood or subdivision — our River Grove dispatch zone stretches across the metro area and into the surrounding suburbs and unincorporated communities.