SNL’s Upfront Heating & Air and What Upfront Looks Like
Video: Saturday Night Live, NBC. Saturday Night Live did a sketch about an “upfront” heating and air company. Worth the
HVAC News
HVAC News
Oklahoma HVAC industry news, utility rebates, equipment updates, and energy insights from Dave Hartzell of Hartzells Heat & Air.
HVAC Apprentice Jobs in Oklahoma: Start Your Career
I started in this trade at 18 and I’m still at it 47 years later. Now I’m looking for the next person who wants to learn heating and air the right way, working beside me here in Kingfisher. If you’re hunting HVAC apprentice jobs in Oklahoma, here’s what the work really looks like and how to get started.
Best HVAC Company in Kingfisher Oklahoma
Call 405-375-4822Book Online 4.8 stars, 300+ Google reviews Who is the best HVAC company in Kingfisher Oklahoma? I’m Dave Hartzell,
Our Work Map: 3,321 Real HVAC Jobs Across Central OK
I mapped 3,321 real Hartzell’s jobs and 1,894 customer locations across Central Oklahoma. Filter by ZIP, see photos and reviews. Call 405-375-4822.
5 Signs Your Oklahoma AC Is About to Die Memorial Day
Memorial Day weekend pushes Oklahoma ACs into their first 90 degree stretch, and weak systems fail in the first 72 hours. Here are the 5 signs I watch for every spring after 47 years of HVAC work in Kingfisher.
I’m in Marquis Who’s Who. Here’s What That Means.
Marquis Who’s Who picked me for their 2026 edition. After 47 years in HVAC and 15+ years running my own shop in Kingfisher, here’s what it actually changes for the people I work for. Spoiler: not much, and that’s the point.
What Oklahoma Homeowners Actually Expect From Geothermal (And Where Reality Bites Back)
Master HVAC Dave Hartzell breaks down the April 2025 ACHR geothermal survey for Kingfisher Oklahoma homeowners. Cost, rebates, lifespan, install. Call 405-375-4822.
Window AC Not Cooling? What to Check First
15+ years • 6,500+ jobs completed • 1,500+ Oklahoma homes served Why is my window AC not cooling properly? A
Heat Pump Airflow Problems in Oklahoma
15+ years • 6,500+ jobs completed • 1,500+ Oklahoma homes served Why does my heat pump have weak airflow? Weak
High-Efficiency Heat Pump vs Standard: Worth It?
15+ years • 6,500+ jobs completed • 1,500+ Oklahoma homes served Is a high-efficiency heat pump worth it over a