Hours: Mon-Fri 8:00am-4:30pm – 24/7 Emergency Service Available

MO: (636) 947-4111 | IL: (618) 345-8622


For all of your water heating needs, call ARCO Heating and Cooling for exceptional service and value. Our professional vehicles are a familiar sight on the streets of Saint Charles, MO and the surrounding area. We’ve been on the road for 60 years, providing homeowners reliable solutions to every type of requirement and challenge. Through the premier quality of products and workmanship, we achieve unmatched reliability and longevity from essential water heating equipment.

Need to Replace your Water Heater?

ARCO Heating and Cooling is well-versed in all makes and models of water heaters, including conventional tank-style options. We know the brands that deliver on their promises and hold up to wear and tear. Our technicians determine the perfect fit for the demands of your household, maximizing potential efficiency and ensuring a plentiful supply of hot water. We are good communicators, happy to explain options, and totally transparent in our services.

Additionally, we are not able to install gas water heaters in the state of Illinois at this time. We are also unable to install tankless water heaters. Thank you for your understanding and please let us know if you have any questions.

Water Heater Repair and Replacement from ARCO Heating and Cooling

Our goal is 5-star customer service, and we earn your satisfaction by prioritizing both the big and little details. From on-time arrival and respect for your property to our friendly and educated staff, we complete water heater installations, replacements, conversion, maintenance, and repairs to unmatched standards. ARCO Heating and Cooling welcomes calls to (636) 947-4111 as our chance to impress. We’re available across Saint Charles, St Peters, Cottleville, O Fallon, Bridgeton, Saint Ann, Maryland Heights, Hazelwood, and Lake Saint Louis, MO and IL. For more information on where we can serve you, please click here.

Hot Water Heater Repair, Hot Water Heater Service & Hot Water Heater Installation Saint Ann, MO, Maryland Heights, MO, Hazelwood, MO, Saint Charles, MO, O Fallon, MO & Lake Saint Louis, MO

Hot Water Heater Service in Hazelwood, MO | Hot Water Heater Repair O Fallon, MO | Hot Water Heater Installation Maryland Heights, MO

Hot Water Heater RepairHot Water Heater ServiceHot Water Heater Installation ∴ Bridgeton, MO ∴ O Fallon, MO ∴ Saint Charles, MO

Top-Quality HVAC Services from ARCO Heating and Cooling

Proudly serving Saint Charles, MO and the surrounding area and the surrounding areas.
Contact Us Today

Special Offers
Club Membership Discounts

Sign up for a club membership and enjoy 15% off major repairs, $79 service calls, priority emergency service, and 2 annual clean and tunes on your HVAC system.

$500 Off Full HVAC System Replacement
Free System Evaluation and Quote

Get a free system evaluation and quote on HVAC system replacements.

Customer Reviews

Our experience with Arco was amazing. Robin in the office was great. She helped to get everything lined up and scheduled leaving no questions unanswered. Kris and Scott who came and did the installing were AMAZING.

Ellie K.

Great people and products, easy to do business. I replaced a window in my mobile home, and got good advice for roof and ceilings. Will be back.

Chris G.

Our A/C went out on the hottest day of the year (thus far) so I called ARCO. They were able to send someone out the same day! Steve was able to diagnose the problem and fix it very very quickly and efficiently!

Jodi S.

Chesterfield, MO

Ballwin, MO

Florissant, MO