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Sigma Air Residential HVAC Maintenance Plans in San Antonio, TX

Want fewer breakdowns, more predictable comfort, and a system that runs efficiently through San Antonio heat? Sigma Air Heating & Cooling offers two residential maintenance options designed to help you stay ahead of repairs, reduce surprise issues, and keep your HVAC performing at its best.

Why Homeowners Choose an HVAC Maintenance Plan

A maintenance plan is the easiest way to protect your HVAC investment. With routine care, many common problems (dirty coils, airflow restrictions, clogged drains, wear-and-tear components) can be caught early, before they turn into non-cooling emergencies.
Sigma Home Comfort thermostat and mobile app

Sigma Home Comfort Plan

Complete connected comfort with the Sigma thermostat, app-based control, proactive maintenance, and member savings.

$24.99/month

12-month agreement, then month-to-month

Smart Monitoring vs. Sigma Home Comfort

Compare every feature side by side. Both options include monitoring, maintenance, savings, and priority service—but Sigma Home Comfort adds the thermostat for complete comfort control in the app.

RECOMMENDED
FULL FEATURE COMPARISON

Smart Monitoring

$34.99/month

Sensor + app

Sigma Home Comfort

$24.99/month

Thermostat + sensor + Sigma app

Connected equipment
Sensor + monitoring app
Thermostat + sensor + Sigma app
Contract terms
12-month agreement, then month-to-month
12-month agreement, then month-to-month
Existing system setup
$49 one-time setup fee
$49 one-time setup fee
Real-time system monitoring + alerts
Included
Included
Live heating and cooling failure alerts
Included
Included
Water leak alerts for the drain pan
Included
Included
Filter reminders + performance tracking
Included
Included
Monthly System Health Report
Included
Included
Order replacement filters in the app + free shipping
Included
Included
In-app scheduling + video support
Included
Included
Additional water sensors
Available
Not included with thermostat
Mobile app + remote diagnostics
Included
Included
Customer-supplied filter replacement
Included
Included
Light chemical wash + coil cleaning
Included
Included
10% off parts, labor + new installations
Included
Included
Priority scheduling
Included
Included

Smart Monitoring vs. Sigma Home Comfort

Compare every feature side by side. Sigma Home Comfort includes the thermostat for complete comfort control in the app.

FEATURE SMART
MONITORING
$34.99/mo
HOME
COMFORT
$24.99/mo
Connected equipment Sensor + monitoring app Thermostat + sensor + Sigma app
Contract terms 12-month agreement, then month-to-month 12-month agreement, then month-to-month
Existing system setup $49 one-time setup fee $49 one-time setup fee
Real-time system monitoring + alerts ✓ ✓
Live heating and cooling failure alerts ✓ ✓
Water leak alerts for the drain pan ✓ ✓
Filter reminders + performance tracking ✓ ✓
Monthly System Health Report ✓ ✓
Order replacement filters in the app + free shipping ✓ ✓
In-app scheduling + video support ✓ ✓
Additional water sensors Available Not included with thermostat
Mobile app + remote diagnostics ✓ ✓
Customer-supplied filter replacement ✓ ✓
Light chemical wash + coil cleaning ✓ ✓
10% off parts, labor + new installations ✓ ✓
Priority scheduling ✓ ✓

More than monitoring—complete comfort control

The Sigma Home Comfort Plan pairs an included Sigma thermostat with the mobile app and twice-a-year HVAC maintenance. Monitor system performance, receive early alerts, and adjust your home’s temperature from the same connected experience.

The thermostat makes the difference

Sigma Home Comfort: Includes the Sigma smart thermostat, sensor, and app for monitoring and temperature control.

Smart Monitoring: Uses a sensor + app setup and does not include a thermostat.

Sigma Home Comfort thermostat and app with contact details

What’s included with Sigma Home Comfort

Real-time system monitoring

Live heating and cooling performance alerts, monthly system health reports, and remote diagnostics through the Sigma app.

Water leak protection

Receive drain-pan leak alerts from compatible water sensors before a small problem becomes a larger one.

Smarter filter care

Filter reminders and performance tracking help you stay ahead of airflow issues. Order replacement filters through the app with free shipping.

Twice-a-year maintenance

Includes customer-supplied filter replacement, a light chemical wash, and coil cleaning during scheduled maintenance.

Scheduling and video support

Schedule service in the app and connect with the Sigma Air team through video support when you need help.

Member savings and priority service

Receive 10% off parts, labor, and new installations, plus priority scheduling when service is needed.

Comfort support that keeps working between visits

The plan is auto-billed monthly and is non-transferable and non-refundable.

FAQs: Residential HVAC Maintenance Plans