Sigler Heat and Air

Sigler Heat and Air We're an HVAC company trusted by Tulsa and the surrounding community for decades. We pride ourselves on having a strong reputation of integrity and honesty.

Sigler Heat and Air began as Southwest Weathermakers in Tulsa, OK in the mid 1930's and was later purchased in the 1940's by Russ Sigler becoming what is known today as Sigler Heat and Air. Orval Gilleland purchased Sigler in 1962 and it has remained in the Gilleland family since. Sigler is the oldest Carrier dealer in the Tulsa metro area and is now in its third generation of management. Sigler h

as served the Tulsa area for over 70 years installing and servicing all sizes of commercial and residential units. We have worked with thousands of customers. We know who the customer is and recognize the importance of serving your needs. The one thing that has kept us in business all these years is paying attention to detail and getting it right the first time.

Ceiling fans don't cool rooms - they cool people. The wind chill effect makes you feel 4-6 degrees cooler, letting you r...
06/09/2026

Ceiling fans don't cool rooms - they cool people. The wind chill effect makes you feel 4-6 degrees cooler, letting you raise your thermostat and save energy. But here's the key: fans only help when people are in the room. Turn them off when you leave. Running fans in empty rooms wastes electricity.

Your AC's air filter works overtime in summer. Dust, pollen, and continuous operation mean filters clog faster during co...
06/06/2026

Your AC's air filter works overtime in summer. Dust, pollen, and continuous operation mean filters clog faster during cooling season. Check your filter monthly during June, July, and August. A $20 filter protects a $5,000 system. It's the cheapest and most effective maintenance you can do yourself.

https://www.siglerheatandair.com/hvac/how-often-to-change-hvac-filter/?utm_source=Social+Media&utm_medium=Posting

Learn exactly how often to change HVAC filters based on your specific home needs. Trusted advice from Tulsa's HVAC experts since 1947.

June in Tulsa means triple-digit temperatures are coming. Your AC will run for hours every day, putting maximum stress o...
06/03/2026

June in Tulsa means triple-digit temperatures are coming. Your AC will run for hours every day, putting maximum stress on every component. Now's the time to address small issues before they become expensive emergencies. A struggling system won't survive summer - catch problems early with professional maintenance.

June arrives tomorrow, and Tulsa's hottest months are ahead. Is your AC ready for 100-degree days? Our maintenance inclu...
05/31/2026

June arrives tomorrow, and Tulsa's hottest months are ahead. Is your AC ready for 100-degree days? Our maintenance includes refrigerant level checks, electrical connection tightening, coil cleaning, and performance testing. We ensure your system can handle peak summer demand. Don't wait for a breakdown during the next heat wave.

Considering a smart thermostat? They learn your schedule, adjust automatically, and can cut cooling costs by 10-15%. But...
05/29/2026

Considering a smart thermostat? They learn your schedule, adjust automatically, and can cut cooling costs by 10-15%. But installation matters - improper wiring can damage your system. Our technicians install smart thermostats correctly and ensure they're programmed for optimal efficiency. Technology only saves money when it's installed right.

Your AC's outdoor unit needs attention too. Dirty coils reduce efficiency by up to 30%, forcing your system to work hard...
05/27/2026

Your AC's outdoor unit needs attention too. Dirty coils reduce efficiency by up to 30%, forcing your system to work harder and use more energy. While you can spray off loose debris with a garden hose, professional coil cleaning removes built-up grime that causes real problems. It's part of our standard maintenance service.

This Memorial Day, we honor and remember those who made the ultimate sacrifice for our freedom. From all of us at Sigler...
05/25/2026

This Memorial Day, we honor and remember those who made the ultimate sacrifice for our freedom. From all of us at Sigler Heat & Air, we express our deepest gratitude to our veterans and their families.

Strange noises from your AC? Grinding means bearing problems, squealing suggests belt issues, and hissing indicates refr...
05/23/2026

Strange noises from your AC? Grinding means bearing problems, squealing suggests belt issues, and hissing indicates refrigerant leaks. These sounds are warnings - your system is telling you something's wrong. Ignoring them leads to more expensive repairs or complete system failure. Call us when you first notice unusual sounds.

Commercial HVAC failures don't just mean discomfort - they mean lost revenue. Uncomfortable customers leave restaurants,...
05/20/2026

Commercial HVAC failures don't just mean discomfort - they mean lost revenue. Uncomfortable customers leave restaurants, productivity drops in hot offices, and retail sales suffer in stuffy stores. Our commercial maintenance programs prioritize preventing downtime. We understand that for businesses, reliable cooling isn't optional - it's essential.

https://www.siglerheatandair.com/hvac/guide-to-commercial-hvac-preventive-maintenance/?utm_source=Social+Media&utm_medium=Posting

Learn how proper commercial HVAC maintenance protects your business operations, reduces costs, and prevents costly breakdowns. Expert guidance from Tulsa's most trusted HVAC specialists.

Your condensate drain line removes moisture from your AC. When it clogs with algae and debris, water backs up and can fl...
05/17/2026

Your condensate drain line removes moisture from your AC. When it clogs with algae and debris, water backs up and can flood your home or damage your system. This simple maintenance task prevents thousands in water damage. During summer, check your drain line monthly or add it to your professional maintenance plan.

Address

1150 S Joplin Avenue
Tulsa, OK
74112

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