Download the new CAST App!
Now for Android and IOS
- Remote monitoring
- Predictive maintenance alerts
- One-touch appointment booking
- Service at the touch of a button

Get rewarded every year! Members earn credit toward future system replacements—just for staying enrolled. Your membership works like a savings plan for your next AC or heating system.
Moving out of our service area? No problem. Your earned trade-in or loyalty credits can be transferred to a friend or family member—so nothing goes to waste.
Members get access to exclusive specials, seasonal promotions, giveaways, and more. From discounted services to surprise perks, it’s our way of saying thanks.
When your comfort is on the line, members jump to the front of the line. Enjoy faster response times and peace of mind knowing you’re always a priority—especially during peak seasons.
Eligible plans come with extended repair warranty coverage on completed work. Stay protected from unexpected repair costs for years to come—just for being a member.
Need a repair? Members on select plans receive a discount on all repair services, helping you save when it matters most.
HVAC issues don’t follow business hours—and neither do we. Select plans include waived overtime fees, even for after-hours service.
Say goodbye to trip charges. Members on qualifying plans get free diagnostics during normal business hours—only pay for the repair.
Catch
$9.99/mo
or One Month FREE Billed Annually
(For Big Fish Installed Systems)
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Free CAST Smart Thermostat*
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Remote Monitoring
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Remote System Performance Test
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Annual Trade-In Credit
$119/Year -
Repair Warranty
Up To 12 Years -
Free Diagnostic*
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Member Only Promotions
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Maintenance Visits
1/Year
Est Yearly Savings: $500+

Free CAST Smart Thermostat
Enjoy effortless comfort and control with our CAST Smart Thermostat—free with select membership plans. Monitor your system remotely, track performance, and receive alerts if your AC or heater isn’t keeping up. It’s smart comfort, backed by Big Fish.