In Central Texas, your heating and cooling system works harder than almost anywhere in the country. Austin summers run air conditioners for the better part of nine months, and the occasional hard freeze — like the one that caught so many homes off guard in 2021 — shows how much a dependable system matters. Choosing the right equipment, correctly sized and properly installed, is the difference between a home that stays comfortable at a reasonable energy bill and one that constantly struggles.

Why Austin Homeowners Choose Lennox

The Lennox Systems We Install

Lennox builds its residential lineup in three tiers, so you can match performance and budget to your home:

Across all three tiers we install and service air conditioners, heat pumps, gas furnaces, and the Lennox S40 Smart Thermostat. Lennox has also moved its lineup to R-454B, a newer low-global-warming-potential refrigerant, so a system installed today is built around current standards rather than phased-out ones.

Built for Austin’s Climate

Sizing matters more than brand. We begin every installation with a Manual J load calculation so your system is matched to your actual home — not a rule-of-thumb guess that leaves you with short-cycling, humidity problems, or a unit that never quite keeps up. For our long cooling season, we’ll steer you toward the efficiency tier that genuinely pays back here. And for the rare deep freeze, cold-climate Lennox heat pumps — such as the Signature SL22KLV, rated to keep heating down to roughly -20°F — deliver dependable warmth when you need it most.

Financing & Rebates

A new system is a significant investment, and we’ll help make it manageable. Lennox regularly offers manufacturer rebates (recently up to $1,550 on qualifying systems), and select Texas utility and state programs offer additional incentives on high-efficiency equipment. The federal 25C tax credit ended after December 31, 2025, so current savings come primarily through manufacturer and local programs. We also offer flexible financing — [add your financing options/partner here] — so you can spread the cost over time.

Trusted by Austin Homeowners

Kassa Kool HVAC has 10 of experience keeping Central Texas homes comfortable, with technicians who treat your home like their own.

Frequently Asked Questions

How do I know what size system my home needs?

We perform a Manual J load calculation based on your home’s square footage, insulation, windows, and orientation — never a quick guess. Correct sizing is the single biggest factor in comfort, efficiency, and how long your equipment lasts. Don’t settle for less.

Which Lennox tier is right for me?

It depends on how long you plan to stay, your budget, and your comfort priorities. For many Austin homes the Elite series is the value sweet spot, while the Signature Collection suits homeowners who want the quietest, most efficient system available. We’ll walk you through the trade-offs honestly.

Do Lennox systems come with a warranty?

Yes. When registered within 60 days of installation, coverage runs up to 10 years on parts for Elite and 12 years for the Signature Collection. We take care of registration for you so nothing is missed.

Do you offer financing?

We offer Zero interest financing options as well as low monthly payments to fit any budget. We even offer cash discounts should you chose to pay for your full system now.

What areas do you serve?

We serve Austin and the surrounding communities, including Lakeway, Rollingwood, Bee Caves, Round Rock, Cedar Park, Pflugerville