
Your home comfort is important to you and our priority! We offer repair, maintenance and inspection services to fit your needs!
Serving St. Louis, St. Charles, Franklin and Jefferson Counties.

We know how inconvenient it is when your Furnace breaks down on one of the coldest days of winter!
A service pro will come to your home to diagnose your furnace problem.
Our skilled technicians service or repair any brand of furnace. We will visit your home and diagnose your problem. No hourly fees.
We'll let you how much your service will cost before we undertake any repairs, and your price will be based on a straightforward pricing list.
Help avoid the problem by keeping your equipment in top condition to maximize performance with our 21 point tune-up.
• Check thermostat
• Inspect heat exchanger
• Check / lubricate fan or pump motor
• Check blower motor amps
• Check filter system (clean / replace filter)
• Check & clean pilot burner / flame rod
• Check safety controls
• Check & adjust heat rise
• Test for carbon monoxide
• Check humidifier damper
• Inspect gas piping
• Inspect chimney / venting system
• Clean burners
• Clean blower
• Clean secondary heat exchanger
• Check & clean condensate pump / lines
We also provide complete system replacements. Reach out to our office for further information.

Breakdowns are never convenient, but we have the maintenance and repair solutions to get you up and running fast and efficiently.
A service pro will come to your home to diagnose your Air Conditioner problem.
Our skilled technicians service or repair any brand of air conditioner. We will visit your home and diagnose your problem. No hourly fees.
We'll tell you how much your service will cost before we undertake any repairs, and your price will be based on a straightforward pricing list.
An A/C tune-up keeps your air conditioning system in good working order. It includes:
• Inspect coolant levels & pressure
• Check & adjust thermostat
• Inspect wiring, contacts, capacitors & relays
• Inspect evaporator coil
• Inspect condenser
• Inspect condensate drain
• Inspect outdoor disconnect
• Inspect condenser fan motor & blades
• Inspect compressor at startup
When completed you will receive a recommendation for any further maintenance or repair needs of your system.
We also provide complete system replacements. Reach out to our office for further information.
We offer maintenance plans to help protect your comfort and investment.
HVAC Maintenance Gold
HVAC Maintenance Silver
Contact our office, and we will be happy to help you choose the ideal plan to suit your needs.

We have humidification and sterilization solutions to meet your needs.


Sinclair's main advantage is the offer of quality products at reasonable prices. The performance-price-quality ratio is crucial to us. We have a wide range of products with very good stock availability all year round. We place emphasis on both sales and after-sales services, rapid distribution of spare parts, flexible technical support,
Sinclair's main advantage is the offer of quality products at reasonable prices. The performance-price-quality ratio is crucial to us. We have a wide range of products with very good stock availability all year round. We place emphasis on both sales and after-sales services, rapid distribution of spare parts, flexible technical support, and we provide technical and business training, too. The aim of the SINCLAIR brand is to bring comfort to the lives of the people on our blue planet while protecting the environment. Thanks to great attention to research, development, manufacturing and testing, SINCLAIR products have achieved a high level of quality and reliability.
If you decide to buy a SINCLAIR product, you will not only get a quality product for the comfort of your home or professional applications but also get a partner for the long life of your device.
2 HILLTOP VILLAGE CENTER DR
Saint Louis and St. Charles 314-390-0404 Franklin County - 636-251-5104
Open today | 09:00 am – 05:00 pm |