Is this your business?
Claim this listing to manage it, add photos, and get found by AI.


ICS Heating and Cooling Inc. operates out of Menifee, serving residential and light commercial HVAC across the valley. The contractor handles the core scope—central air conditioning installation and repair, furnace work, heat pump systems, ductless mini-splits, and ductwork design—for homes and smaller commercial spaces rather than large industrial plants. Maintenance contracts and emergency service calls make up the steady workload alongside new-equipment installs. Summer demand in the Temecula area is unforgiving: July and August compress schedules tight, and units that run continuously for weeks at a time generate urgent repair calls. Homeowners facing a dead compressor in peak heat, or a furnace that needs attention before fall arrives, need a contractor with same-day or next-day availability rather than weeks-out booking. ICS covers that urgent-response lane alongside planned replacements and seasonal tune-ups. For properties where system age or hard regional water conditions have shortened equipment life, warranty coverage and financing options matter; the company's approach to those terms is worth discussing when planning a replacement rather than limping through another summer.

Castillo Heating & Air Conditioning handles residential HVAC across Menifee and surrounding areas, covering the full scope of central air and furnace work — system installations, repairs, routine maintenance contracts, and ductwork modifications. The business operates across standard equipment types: conventional split systems, heat pumps, gas furnaces, and mini-split setups for homes that lean toward supplemental cooling or zoning. Summer demand in this region runs relentless. From July through September, when cooling systems cycle continuously and temperatures stay in the nineties or higher for weeks, HVAC crews work against compressed schedules and exhausted units. Castillo absorbs both planned work — spring tune-ups meant to prevent peak-season breakdowns — and emergency calls when an aging air handler fails mid-heatwave. Homeowners balancing repair costs against replacement cycles, those adding capacity to newer Menifee neighborhoods, and residents maintaining systems through the punishing summer months represent the steady client base. Warranty coverage, service agreements, and financing options shape the decision path for most residential customers; emergency availability during the hottest months separates operators who can absorb surge demand from those who carry months-long wait lists.
Curated by Top of Temecula based on verified reviews and local knowledge.
Get a featured listing and put your business in front of the people who actually live here.
Get ListedMillar Heating & Air operates from Old Windmill Road in Menifee, serving the residential HVAC needs across the valley with the full scope of system work — installation of central AC and furnace…
Millar Heating & Air operates from Old Windmill Road in Menifee, serving the residential HVAC needs across the valley with the full scope of system work — installation of central AC and furnace units, repair calls on existing equipment, seasonal maintenance contracts, and ductwork sizing. The operation covers standard central systems rather than specializing in niche formats like mini-splits or heat pumps, positioning it as the go-to for homes running conventional forced-air setups. Demand peaks hard in July and August when valley heat runs AC units continuously for weeks at a time and repair backlogs compress into single-digit availability windows. Homeowners planning ahead book spring maintenance to avoid the summer crunch; those facing a failed compressor or refrigerant leak in midsummer may face delayed appointment slots. For new construction HVAC rough-in, warranty work on installed equipment, or the routine filter-and-inspection contract that keeps a unit running year-round, Millar fits the local contractor slot — familiar with the valley's seasonal extremes and the long cooling season that defines the region's HVAC rhythm.
Gotta give a shoutout to my buddy Dustin and his crew at Millar Heating & Air. These guys always go above and beyond to help me out with my rental properties. Whether it's a heating issue or an AC problem, they get the job done right every single time. It's not just about fixing things; it's about t...
Dustin came to the rescue for our family! During a heat wave, other companies couldn’t come out for days, but he came within 12 hours, assessed the problem, and got our air working again within a few hours. He even checked back with us later in the day to make sure it was working. Thank you very muc...
Started off great..needed part..they forgot to mention fee for repairman just to show up. The part I found and needed was 56 dollars but wanted the part put in professionally..hit with a 400 dollar bill...can't recommend. But repair guy was nice..but....price was way to steep.
What Locals Know
Menifee summers push 105°F+ for sustained periods — AC systems run continuously and fail more often July through September. Winter heating demand is lighter but brief cold snaps create scheduling bottlenecks. Residential systems in this area are typically 15+ years old, making preventive maintenance the difference between a $300 tune-up and a $5,000+ replacement.
© 2026 Top of Temecula. All rights reserved.