Category · 16 articles

Seasonal

Seasonal notes for Tucson's real calendar: spring start-up before the first 100F day, monsoon humidity and dust storms from June 15 to September 30, and a short winter with a few freezing nights.

Tucson ranch home at dawn with the Catalina Mountains and a closed swamp cooler on the roof

Furnace tune-up before Tucson's first freeze

Schedule a furnace tune-up in Tucson before the first freeze. The pros we send check heat, filters, and dampers. Watch NWS Tucson for the freeze forecast.

A stucco home with a new outdoor AC unit beside a palo verde tree in soft Sonoran morning light

Best time to buy an AC in Tucson: October through March

The best time to buy an AC in Tucson is October through March, before the 100F days arrive. Here's why timing matters, and what to line up first.

Stucco Tucson home under towering monsoon storm clouds with a roof package AC unit in warm evening light

Monsoon humidity and your AC: what changes in July and August

Tucson's monsoon pushes dew points into the high 50s. Here is what that does to your AC, your swamp cooler, your vents and your drain line.

A Tucson living room with blinds half closed, a ceiling fan and a wall thermostat on a summer afternoon

How to lower your AC bill in a Tucson summer

Tucson summers run hot for months. See the TEP on-peak window, thermostat habits, duct and coil checks and shade tips for your AC bill, minus invented savings.

Tucson flat-roof home with a rooftop package unit against a clear spring sky and a saguaro

Pre-summer heat prep checklist for Tucson homes

Get a Tucson home ready for 100F days before May: filter, coil, drain, rooftop unit access, backup plan and the checks worth doing before the heat hits.

Outdoor heat pump unit on a concrete pad beside a Tucson stucco home with desert plants and mountains in soft evening light

Heat pump maintenance in Tucson: what a two-season system needs

A Tucson heat pump works in both seasons, so it needs a spring and fall check. See the filter, coil, drain and electrical items and the TEP tune-up rebate.

Tucson home with a ground-level AC condenser and clean gravel around it under a bright spring sky

Pre-summer AC tune-up checklist for Tucson

Book a Tucson AC tune-up between March and May. Here is what a real visit should cover, from the coil rinse and capacitor test to drain and rooftop panels.

Homeowner changing an air filter at a return grille in a Tucson home with sunlight on tile floors

The year-round HVAC maintenance schedule for Tucson

A Tucson HVAC maintenance calendar built around pre-summer heat, the June to September monsoon and a fall heating check, with what to do yourself.

Quiet Tucson stucco home with drawn shades in summer, a closed garage door, palo verde and saguaro under harsh midday sun

Snowbird AC in Tucson: settings for a summer-empty home

Leaving a Tucson home empty for the summer? What to do with the AC, humidity and drain line, plus a pre-departure check to order from a licensed pro.

Dusty outdoor AC condenser coil beside a Tucson stucco wall with a ladder and palo verde tree

Deferred HVAC maintenance: what to fix first

Skipped HVAC maintenance for a few years? Fix safety first, then electrical parts, airflow, drainage and coils. A priority order built for Tucson heat.

Homeowner clearing leaves and dust from around an outdoor AC unit in a Tucson yard in soft autumn light with a palo verde tree

Fall HVAC checklist for Tucson homes: after the monsoon

The monsoon ends September 30 and leaves dust and debris behind. Use this Tucson fall HVAC checklist for your AC, furnace or cooler before the first cold night.

Tucson home at dawn with frost-free gravel yard, an outdoor heat pump unit and saguaro under cold clear light

Winter HVAC checklist for Tucson homes

Tucson winters are mild, but a first cold night still exposes weak heat. Use this checklist for your furnace or heat pump, CO alarms and TEP peak periods.

Evaporative cooler on a flat roof of a Tucson block home with a fitted winter cover and a saguaro in the yard

Winterizing a swamp cooler before Tucson's first freeze

Shut off the water, drain the pan, cover the cooler and seal the opening inside. A step-by-step swamp cooler winterizing guide for Tucson homeowners.

Brown dust wall rolling toward a Tucson neighborhood of stucco homes at dusk, palo verde trees and an outdoor AC unit in the foreground

Change the AC filter after a Tucson dust storm

After a Tucson dust storm, check your AC filter, coil and return grille. What to look for, how MERV affects airflow, and when to ask a pro.

Monsoon thunderstorm clouds with distant lightning over a Tucson neighborhood and a flat-roofed stucco home with an AC condenser

Monsoon lightning, power flickers and your AC

Monsoon lightning and power flickers can damage an AC. What to do before and during a storm, what damage looks like, and what a surge protector can't do.

Dusty outdoor AC condenser coil beside a block wall in a Tucson yard with a mesquite tree and low monsoon light

Cleaning the condenser coil after monsoon season

Dust storms and monsoon mud coat the outdoor coil. How to rinse it safely, when to use a coil cleaner, and when fall tune-up timing makes sense in Tucson.

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