Design-Air Heating & Air Conditioning

Design-Air Heating & Air Conditioning Design-Air provides courteous, professional, on-time HVAC services that improve the comfort and heal Turn to the Experts at Design-Air.

Design-Air can also provide a geothermal alternative to traditional heating and cooling systems. WaterFurnace® geothermal comfort systems, provide up to 75% lower operating costs, safe, clean, and quiet operation, are environmentally sound, and provide reliable operation. With hundreds of WaterFurnace® systems installed, Design-Air has the knowledge and experience to provide you with an environmen

tally sound geothermal system for your heating and cooling comfort. When it comes to your family or business, you want dependable air conditioning and heating systems that provide you with value as well as comfort. Whether it’s a new installation or routine service, our trained and highly experienced technicians have the knowledge your comfort depends on.
• Carrier Factory Authorized Dealer
• WaterFurnace GeoPro Master Dealer
• NATE certified technicians
• Member Metro Decatur Home Builders Association
• Member Decatur Chamber of Commerce
• Member GAOI (Geothermal Alliance of Illinois)

Set fans to rotate counterclockwise to push cool air downward and enhance comfort while supporting your AC system. ...
06/01/2026

Set fans to rotate counterclockwise to push cool air downward and enhance comfort while supporting your AC system.

🌬️🏠

𝐀𝐧 𝐢𝐧𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐀𝐂 𝐬𝐲𝐬𝐭𝐞𝐦 𝐜𝐚𝐧 𝐝𝐫𝐢𝐯𝐞 𝐮𝐩 𝐜𝐨𝐨𝐥𝐢𝐧𝐠 𝐜𝐨𝐬𝐭𝐬 𝐟𝐚𝐬𝐭.Dirty coils, clogged filters, or low refrigerant levels force y...
05/29/2026

𝐀𝐧 𝐢𝐧𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐀𝐂 𝐬𝐲𝐬𝐭𝐞𝐦 𝐜𝐚𝐧 𝐝𝐫𝐢𝐯𝐞 𝐮𝐩 𝐜𝐨𝐨𝐥𝐢𝐧𝐠 𝐜𝐨𝐬𝐭𝐬 𝐟𝐚𝐬𝐭.

Dirty coils, clogged filters, or low refrigerant levels force your unit to work harder than it needs to.

Regular maintenance helps restore efficiency and reduce strain.

🌞❄️

𝐘𝐨𝐮𝐫 𝐀𝐂 𝐬𝐲𝐬𝐭𝐞𝐦 𝐚𝐥𝐬𝐨 𝐡𝐞𝐥𝐩𝐬:✔️ Filter indoor air✔️ Control humidity✔️ Improve airflow circulationWhen maintained properly,...
05/27/2026

𝐘𝐨𝐮𝐫 𝐀𝐂 𝐬𝐲𝐬𝐭𝐞𝐦 𝐚𝐥𝐬𝐨 𝐡𝐞𝐥𝐩𝐬:
✔️ Filter indoor air
✔️ Control humidity
✔️ Improve airflow circulation

When maintained properly, it supports both comfort and indoor air quality.

𝐌𝐚𝐲 𝐢𝐬 𝐭𝐡𝐞 𝐩𝐞𝐫𝐟𝐞𝐜𝐭 𝐦𝐨𝐧𝐭𝐡 𝐭𝐨 𝐠𝐢𝐯𝐞 𝐢𝐭 𝐚𝐭𝐭𝐞𝐧𝐭𝐢𝐨𝐧.

🌬️❄️

𝐁𝐞 𝐡𝐨𝐧𝐞𝐬𝐭… 𝐰𝐡𝐚𝐭 𝐭𝐞𝐦𝐩𝐞𝐫𝐚𝐭𝐮𝐫𝐞 𝐝𝐨 𝐲𝐨𝐮 𝐬𝐞𝐭 𝐲𝐨𝐮𝐫 𝐭𝐡𝐞𝐫𝐦𝐨𝐬𝐭𝐚𝐭 𝐭𝐨 𝐢𝐧 𝐌𝐚𝐲? 👀Drop it in the comments! ⬇️ 🌞❄️
05/26/2026

𝐁𝐞 𝐡𝐨𝐧𝐞𝐬𝐭… 𝐰𝐡𝐚𝐭 𝐭𝐞𝐦𝐩𝐞𝐫𝐚𝐭𝐮𝐫𝐞 𝐝𝐨 𝐲𝐨𝐮 𝐬𝐞𝐭 𝐲𝐨𝐮𝐫 𝐭𝐡𝐞𝐫𝐦𝐨𝐬𝐭𝐚𝐭 𝐭𝐨 𝐢𝐧 𝐌𝐚𝐲? 👀

Drop it in the comments! ⬇️

🌞❄️

05/25/2026

This Memorial Day, we pause to remember and honor the fallen. 🕊️
Their courage and dedication will never be forgotten.

From all of us at Design-Air Heating & Air Conditioning, thank you to the heroes and their families who protect our way of life.

🇺🇸🕊️

🌟 𝐖𝐡𝐲 𝐁𝐞𝐢𝐧𝐠 𝐚 𝐂𝐚𝐫𝐫𝐢𝐞𝐫 𝐅𝐚𝐜𝐭𝐨𝐫𝐲 𝐀𝐮𝐭𝐡𝐨𝐫𝐢𝐳𝐞𝐝 𝐃𝐞𝐚𝐥𝐞𝐫 𝐌𝐚𝐭𝐭𝐞𝐫𝐬 𝐟𝐨𝐫 𝐘𝐨𝐮! 🌟At Design-Air Heating & Air Conditioning, we’re proud ...
05/22/2026

🌟 𝐖𝐡𝐲 𝐁𝐞𝐢𝐧𝐠 𝐚 𝐂𝐚𝐫𝐫𝐢𝐞𝐫 𝐅𝐚𝐜𝐭𝐨𝐫𝐲 𝐀𝐮𝐭𝐡𝐨𝐫𝐢𝐳𝐞𝐝 𝐃𝐞𝐚𝐥𝐞𝐫 𝐌𝐚𝐭𝐭𝐞𝐫𝐬 𝐟𝐨𝐫 𝐘𝐨𝐮! 🌟

At Design-Air Heating & Air Conditioning, we’re proud to be a 𝐂𝐚𝐫𝐫𝐢𝐞𝐫 𝐅𝐚𝐜𝐭𝐨𝐫𝐲 𝐀𝐮𝐭𝐡𝐨𝐫𝐢𝐳𝐞𝐝 𝐃𝐞𝐚𝐥𝐞𝐫—and that’s more than just a title.

𝐈𝐭 𝐦𝐞𝐚𝐧𝐬:
✅ 𝐄𝐱𝐩𝐞𝐫𝐭𝐥𝐲 𝐓𝐫𝐚𝐢𝐧𝐞𝐝 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐢𝐚𝐧𝐬 – NATE-certified pros who know Carrier systems inside and out
✅ 𝐇𝐢𝐠𝐡𝐞𝐬𝐭 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬 – access to the latest, most reliable Carrier HVAC technology
✅ 𝐏𝐞𝐚𝐜𝐞 𝐨𝐟 𝐌𝐢𝐧𝐝 – guaranteed workmanship and support straight from the manufacturer
✅ 𝐓𝐫𝐮𝐬𝐭𝐞𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐒𝐢𝐧𝐜𝐞 𝟏𝟗𝟕𝟕 – your comfort is our priority

Central IL homeowners deserve HVAC solutions that last, perform, and save energy. Choosing Design-Air + Carrier means choosing reliability and confidence year-round.

𝐒𝐜𝐡𝐞𝐝𝐮𝐥𝐞 𝐲𝐨𝐮𝐫 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 𝐨𝐫 𝐬𝐲𝐬𝐭𝐞𝐦 𝐮𝐩𝐠𝐫𝐚𝐝𝐞 𝐭𝐨𝐝𝐚𝐲! https://designairhvac.com/

❄️🏡

Have you tested your AC this season yet?👍 Yes, we’re ready!😬 Not yet…Let us know! 🌞❄️
05/20/2026

Have you tested your AC this season yet?

👍 Yes, we’re ready!
😬 Not yet…

Let us know!

🌞❄️

Warmer days are here! If you haven’t turned your AC on yet, now is the time to test it before summer hits full force.𝐀 𝐩...
05/19/2026

Warmer days are here! If you haven’t turned your AC on yet, now is the time to test it before summer hits full force.

𝐀 𝐩𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐢𝐧𝐬𝐩𝐞𝐜𝐭𝐢𝐨𝐧 𝐞𝐧𝐬𝐮𝐫𝐞𝐬:
✔️ Proper airflow
✔️ Efficient cooling
✔️ Safe operation
✔️ No surprise breakdowns

𝐁𝐞𝐚𝐭 𝐭𝐡𝐞 𝐫𝐮𝐬𝐡 𝐚𝐧𝐝 𝐬𝐜𝐡𝐞𝐝𝐮𝐥𝐞 𝐲𝐨𝐮𝐫 𝐀𝐂 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 𝐭𝐨𝐝𝐚𝐲! https://designairhvac.com/

❄️🌷

Ever notice your home feels warmer than the thermostat says? High humidity can make 75° feel like 80°.Your AC helps regu...
05/18/2026

Ever notice your home feels warmer than the thermostat says? High humidity can make 75° feel like 80°.

Your AC helps regulate moisture levels, but if it’s not functioning properly, indoor air can feel sticky and uncomfortable.
Balanced humidity improves comfort, protects wood surfaces, and supports healthier indoor air.

𝐂𝐨𝐦𝐟𝐨𝐫𝐭 𝐢𝐬 𝐦𝐨𝐫𝐞 𝐭𝐡𝐚𝐧 𝐣𝐮𝐬𝐭 𝐭𝐞𝐦𝐩𝐞𝐫𝐚𝐭𝐮𝐫𝐞.
For humidity control, contact our experts at Design-Air Heating & Air Conditioning! https://designairhvac.com/

🌬️💧

05/15/2026

𝐒𝐢𝐦𝐩𝐥𝐞 𝐌𝐚𝐲 𝐞𝐧𝐞𝐫𝐠𝐲 𝐭𝐢𝐩:

Keep blinds and curtains closed during peak afternoon sun to reduce indoor heat gain.

Your AC won’t have to work as hard!

🌞❄️

Address

Decatur, IL
62521

Opening Hours

Monday 7:30am - 4pm
Tuesday 7:30am - 4pm
Wednesday 7:30am - 4pm
Thursday 7:30am - 4pm
Friday 7:30am - 4pm

Telephone

+12174750419

Website

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