We are available at YOUR CONVENIENCE! Monday thru Saturday 8:00a.m. - 4:30p.m. 24 Hour Emergency Service (Not available through internet requests)

Three generations of Bartholomews have served the Kalamazoo, Portage, and surrounding area for over 55 years.

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From winter's chill through the dog days of summer, our primary goal at Bartholomew Heating & Cooling, Inc., is to keep yourhome and business comfortable for you and your family.

But, that's just the beginning. We also offer you peace of mind, ensuring your equipment operates safely. We help you save money on your fuel bills. And, we help deliver relief to those with allergies and many others concerned with the quality of the air they breathe.

 SPRING IS FINALLY HERE AND THE WARM WEATHER IS COMING, IS YOUR AIR CONDITIONER READY? CALL TODAY TO SCHEDULE YOUR AIR CONDITIONER MAINTENANCE.

Having your air condtioner  tuned up may qualify for a rebate from your local utility company. Ask us for details.  This site is specifically designed to help you become an informed consumer when it comes to your home's heating and cooling systems. Go ahead, explore. The pull-down menus make it easy. Not only will you learn how these systems work, but also how to shop smart and protect your investment. If you're not sure where to find help with a specific question, try our site's Search Engine. And, don’t miss the 'Answers and Information' section on our menu to learn about your home's mechanical systems and simple things you can do to save money and get the most from them.  We are the only Comfort Institute Certified dealer in Kalamazoo,and now we can offer whole house diagnostics . Whole house diagnostics allows us to find and fix efficiency, comfort and indoor air quality issues that others can't by looking at the whole house as an interactive system. We are a participating contractor with local utility company incentive programs.   Ask us how you can reduce your energy bills and how you can get up to $510.00 in incentives for your new furnace. Addtional utility company incentives available for air conditioners, heat pumps and water heaters. Click here  to watch these short educational videos and to learn more on what Comfort Institute and Bartholomew Heating and Cooling can do for you.

If you're curious about what's new in home comfort, here are a few pages you might want to visit: 

• If you're interested in replacing your old outdated—and probably inefficient—heating or cooling system, check out how we assure your satisfaction when you choose us.
• If you're tired of having uncomfortable rooms that are either 'too hot' or 'too cold' this page is for you.
• Learn how you can save money through our Heating & Cooling Maintenance Plans.
• Curious about what's inside your home's ductwork? Here's an informative page to help you decide— is duct cleaning for you?

You'll find we take our job seriously and value highly the trust that is placed in us. To understand why we go so far beyond what others do by investing in the extra training and equipment we believe necessary to protect your home and family properly, take a moment to view our short 30 second video that best explains "why we do it"...and "why it matters."

By doing what it takes to ensure each customer's complete satisfaction, Diversified Heating & Cooling, Inc. is welcome in more homes in Southwestern Michigan than any other contractor. We invite you to give us a call.

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Bartholomew Heating and Cooling is your state Heating, Cooling, Air Conditioning, Furnace service and replacement, and Home Performance Contractor,Company located in Kalamazoo county that services Kalamazoo MI, Portage Mi, Richland MI, Augusta MI, Galesburg MI, Climax MI, Scotts MI, Fulton MI, Vicksburg MI, Schoolcraft MI, Lawton MI, Mattawan MI, Paw Paw MI, Gobles MI, Decatur MI, Marcellus MI, Hickory Corners MI, Delton MI, Pine Lake MI, Plainwell MI, Otsego MI, Allegan MI, Hamilton MI, Serving St. Joseph county that serves Marcellus MI, Three Rivers MI, Mendon MI, Leonidas MI,, Colon MI, Centreville MI, Constantine MI, White Pigeon MI, Sturgis MI, Burr Oak MI. Serving Van Buren county that serves Lawton MI, Mattawan MI, Paw Paw MI, Gobles MI, Decatur MI, Lawrence MI. Serving Calhoun County that serves Athens MI, Marshall MI, Battle Creek MI, East Leroy MI, Springfield MI. If you have questions or would like to schedule an appointment, please call 269-381-9045. Bartholomew Heating and Cooling services all furnaces, air conditioners,AC, humidifier,dehumidifier, filter, thermostat, geothermal, heat pumps, air cleaners, indoor air quality, boilers, zoning systems, energy conserving controls, and water heater brands including Carrier, Bryant, Payne, Trane, Lennox, Rheem, Ruud, Amana,Aprilaire, Crown, Frigidaire, Gibson, Goodman, Lochinvar, Maytag, Weil McLain, A O Smith, Kohler, American Standard, General, April Aire, Honeywell, White Rodgers, Dynamic, Skuttle, Burnham and Rinnai, Tekmar, Climatemaster, Bard, Wirsbro/Uponor, Ducane, Renewaire, Grundfos, Burnham and Taco.