24/7 emergency HVAC repair in Lake in the Hills
When your furnace or AC fails, J.D.S HVAC picks up the phone. We're on call around the clock.
What we fix at 2 a.m.
What we fix at 2 a.m.
Emergency furnace repair
No heat in the middle of winter? We get your system running or tell you why it can't be saved.
Emergency AC repair
When the summer heat turns a home unbearable, we track down the cooling problem.
Heat pump service
Whether it's frozen coils or a reversing valve issue, we restore your heat pump.
No-start diagnostics
A system that won't kick on is a mystery we solve, no matter the hour.
Repairs-first honesty
We fix what's broken. If a new unit is the answer, we'll say so clearly.
Heat or AC trouble that won't wait until morning
Some problems can't wait for business hours. Here's when to call J.D.S HVAC for urgent help in Lake in the Hills. We'll walk you through your options, even before we head out.
Burning smell from vents
A sharp, electrical, or burning odor often means a motor is overheating or a wire is failing. Turn the system off and call for a fast diagnostic.
Call now
No heat in freezing weather
When temps drop and your furnace won't run or keeps cycling off, the risk to your pipes and family goes up quickly. We respond fast to restore your heat safely.
24/7 help
AC not cooling in a heat wave
Warm air blowing from registers or a unit that short-cycles in extreme heat can be a sign of a failing compressor or a refrigerant leak. We can diagnose and repair same-day.
Fast service
Odd noises from the unit
Banging, screeching, hissing, or rattling sounds point to loose parts, a failing blower motor, or a possible refrigerant leak. Shut the system down and call before more damage happens.
Free quote
Safety first: gas or carbon monoxide
If you smell gas, a rotten-egg odor, or your CO detector sounds, leave the house immediately and call your utility provider first. J.D.S HVAC offers the follow-up repairs.
Call utility first
Warm or cold spots you can't fix
If your system runs but some rooms stay freezing or roasting while others are fine, you could have a zone valve issue or a duct airflow problem that needs professional attention.
Inspect today
We tell you the price before we fix it
Straight talk on what we charge and when we show up.
Why trust us with your home?
Our furnace died on the coldest night of the year. A real person answered right away and talked us through what to do until morning.
Marcus Webb
Homeowner, Lake in the Hills
He didn't try to sell us a new system when a simple repair would do. That honesty is why we called again for our AC tune-up.
Sarah Kim
Homeowner, Algonquin
They showed up when they said they would, fixed the problem fast, and left the place clean. Hard to ask for more than that.
Tom Grady
Homeowner, Crystal Lake
As a landlord, I need a tech who can handle tenant emergencies without drama. J.D.S HVAC has been that for us every time.
Priya Sharma
Property Owner, Carpentersville
Don't wait. Call for emergency HVAC repair now.
We answer around the clock and show up ready to work. Tell us what's wrong and we'll get your heat or AC back on.