As a large heat dome pushes dangerous temperatures across much of the United States, AC Direct, one of the country's longest-running online HVAC wholesalers, reports a sharp rise in residential orders for central air conditioning systems, heat pumps, and ductless mini splits.
According to AccuWeather, the mid-June 2026 heat wave is forecast to affect roughly 170 million Americans, with daytime highs approaching and exceeding 100 degrees across more than three dozen states. The National Weather Service has issued widespread "dangerous" heat warnings, with heat index values forecast as high as 110 degrees in parts of Texas. Forecasters have noted the heat is unusually severe for so early in the season, before many people have acclimated.
"This heat arrived early and it is hitting people before their bodies have adjusted to it," said Michael Haines, Founder of AC Direct. "When the temperature climbs like this, home air conditioning stops being about comfort and becomes a safety issue, especially for households with young children, older adults, or pets."
AC Direct says demand has been strongest for high-efficiency systems that can ship quickly and be installed by local contractors or by capable homeowners. Unlike traditional retail, the company sells wholesale-priced HVAC systems online and ships them nationwide, helping buyers avoid the delays that hit local supply houses and installers during peak heat.
That timing problem is most acute when a system fails mid-heat wave and local technicians are booked solid with emergency calls. For that situation, AC Direct reports strong interest in its in-stock MRCOOL DIY ductless mini splits, which are designed for installation by a capable homeowner without specialized tools or refrigerant certification. Because the refrigerant lines arrive pre-charged with quick-connect fittings, a DIY mini split is an installation path that does not require scheduling a contractor who may already be overloaded with emergency repair calls. The systems are in stock and shipping now.
"A DIY mini split gives a family a way to set up a cool, dependable room quickly, on their own timeline," Haines added. "For a nursery, a bedroom, or any room that needs to stay cool, being able to install reliable cooling this week instead of waiting for an appointment can make a real difference."
AC Direct notes that industry guidance is to prioritize energy-efficient, SEER2-rated systems and to confirm compatibility with current refrigerant standards such as R-410A and R-32. The company also points homeowners toward servicing aging systems before the worst of the season rather than during it, when parts and technicians are hardest to secure.
With the 2026 summer outlook calling for above-average heat across most of the country, AC Direct is encouraging homeowners to confirm their cooling equipment is working and to act early rather than waiting for a unit to fail during peak heat.
About AC Direct
Founded in 2001, AC Direct is one of the oldest and leading online HVAC wholesalers in the United States, serving both homeowners and licensed contractors. The company offers central air conditioning systems, gas furnaces, heat pumps, ductless mini splits, and related accessories at factory-direct prices, with major brands ready to ship nationwide. More information is available at acdirect.com.
About HVAC.BEST
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