HVAC Services in Glendale, WI

Glendale HVAC Service That Shows Up On Time

Glendale's postwar ranches and split-levels were built in the boom years, and a lot of them are running equipment that is two or three generations past the original install. When a system gives out, On Time Heating & Cooling answers 24/7 at (262) 671-8999 and dispatches with a confirmed window.

Owner Shane Herro founded On Time in 2019; he still works in the field and trains every tech. The company's 5.0★ Google rating across 480+ reviews and Best of Waukesha 2025 award both come from that hands-on standard.

Full HVAC Coverage in Glendale

• Furnace repair, replacement & maintenance
• AC repair & installation
• Heat pumps and dual-fuel systems
• Ductless mini-splits for additions and sunrooms
• Water heater repair & replacement, plus tankless
• Boiler service, air quality & duct cleaning

Mid-Century Ranches, Modern Standards

Ranch-era ductwork was sized for smaller cooling loads and sealed with cloth tape that dried out decades ago. Finished basements and additions have stretched those systems further. Our replacements start with a load calculation on the house as it is today, include duct sealing where it recovers real airflow, and finish with commissioning measurements — not just a thermostat check.

Straight Answers, Real Options

Already have a quote? The Free Second Opinion reviews it free. Need to spread the cost? Wisetack 0% intro APR financing prequalifies with a soft pull. Want fewer surprises? The On The Dot Club handles tune-ups, discounts, and priority dispatch.

Schedule Glendale Service

Call (262) 671-8999 or book online. Nearby we serve Whitefish Bay, Bayside, and Fox Point.