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Your #1 Furnace Repairs and Heating Repair Company!

We specialize in Heating System installations and Furnace Repairs

We are your number one air conditioning company and home heating service specializing in furnace repairs, heating system installation, air conditioner repairs, and installation.

At Master Mechanical, we set up your account on a very personal level. A heating repair technician is assigned to your family to ensure that you feel comfortable with the person coming into your home all year round, year after year! From the harsh winter to the heat of summer, your technician will ensure you get the satisfaction you deserve for your heating systems and central air conditioning system. We offer a preventative maintenance and repair plan that will help you save money and avoid costly repairs in the extreme weather conditions.

Visit our Comfort Club page for more information on air conditioning contractor services and preventative maintenance to protect your investment! Your central air conditioning system can cost you tons of money in repairs when not maintained regularly.

We Offer Financing with Approved Credit for A/C Repairs

As your air conditioning contractor, we pride ourselves in our relationship with Wells Fargo and the amazing opportunity of financing with approved credit we can offer our clients. As a family-owned business, we are no stranger to the burden a costly repair can be on a family’s finances. You can find the link to apply for financing right here!

We are a family-owned and operated air conditioning contractor, offering qualified technicians to provide regular preventative maintenance that will ensure you get the most from your unit. Your heating and air conditioning repair technician will be upfront, honest, and reliable. Alongside preventative maintenance, they can also offer helpful tips to keep your energy costs low.

Take a look at our reviews on Angie’s List and hear about the service we deliver from your neighbors! We are grateful for our veterans and elders, offering both senior and veteran discounts to qualifying clients! Also, 5% of tune-up charges are donated to the Wounded Warrior Foundation in our support of our Veterans.

Why Choose Master Mechanical for Your Heating Repair Needs?

Family Owned and Operated

Master Mechanical is a family-owned and operated business that is built on a foundation of honesty. We understand the importance of your family’s comfort and therefore, our services are available 24/7. We create a more personal connection for each of our clients and only one individual technician will respond to your routine maintenance services.

Supports Our Heroes!

Also, as a veteran-owned business, we support our local heroes with our veteran & senior discount. We also give our clients a 5% discount on furnace tune-ups that we automatically donate to the Wounded Warrior Project.

Your Heating Systems and Air Conditioning Contractor - We Do It All!

We want to offer you the most accurate information to help you make an educated decision for your family to live comfortably, both physically and financially. Your family’s comfort is our priority and we treat every call as such, this also means we do not charge extra for emergency heating and air conditioner repairs.

Central air conditioning system repair is not our only specialty. We are extremely global in creating comfort in your home for all seasons!

Whether you’re hot or cold, our services have got you covered! Here’s a list of the BIG ones! You can visit our Services Tab for more details on our air conditioning contractor services.

As your residential air conditioning contractors, we can offer you discounts and coupons to help you save money on your next repair or service. Just ask!

  • Heating System Repair
  • Furnace Repair and Installation
  • Commercial Heating Repair
  • Home Humidifiers
  • Water Heater Replacement and Repair
  • Air Conditioner Repairs
  • Air Conditioning Installation
  • Commercial Air conditioning
  • Electronic Air Cleaner



We offer air conditioning repair for all makes and models for both residential and commercial central air conditioning systems!


Contact Us

Emergency 24 Hour Furnace Repair and A/C Company

We are there when you need it most! Right NOW! Serving Illinois Lake and Cook Counties, we are here 24 hours a day for furnace repairs and central air installation.

Give us a call at 847-722-0000 to reach the BEST of the Mount Prospect Area air conditioning contractors!

What our clients say about us

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