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.

Mini-split systems aren't just for new additions. They're perfect for hot second floors, converted garages, sunrooms, or...
06/17/2026

Mini-split systems aren't just for new additions. They're perfect for hot second floors, converted garages, sunrooms, or any space where traditional ductwork is impractical. High efficiency, individual zone control, and no ductwork losses make them ideal solutions for problem areas that never quite stay comfortable.

What's the real difference between repair and replacement? Age matters, but so does maintenance history and repair costs...
06/14/2026

What's the real difference between repair and replacement? Age matters, but so does maintenance history and repair costs. A well-maintained 15-year-old system might have years left, while a neglected 8-year-old system might be done. We provide honest assessments based on your specific situation - not sales quotas.

https://www.siglerheatandair.com/hvac/factors-to-consider-before-hvac-installation/?utm_source=Social+Media&utm_medium=Posting

Learn the 4 key factors that affect your HVAC installation: unit size, ductwork, SEER rating, and home layout. Get expert guidance from Tulsa's trusted HVAC specialists since 1947.

Why do some rooms stay hot while others freeze? Common causes include blocked vents, inadequate insulation, ductwork lea...
06/11/2026

Why do some rooms stay hot while others freeze? Common causes include blocked vents, inadequate insulation, ductwork leaks, or improper system sizing. Before you spend thousands on a new system, let us diagnose the real problem. Often, solutions are simpler and cheaper than replacement.

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.

Address

1150 S Joplin Avenue
Tulsa, OK
74112

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