Key Points Furnaces and HVAC systems should be inspected and serviced at least once a year.It may be okay to skip servicing if the unit is new or was serviced recently and has not been used ...

We've all been there-watching a YouTube tutorial and thinking, Yeah, I can totally fix that. But when it comes to your HVAC system, is a DIY approach really the best idea? While some minor maintenance ...

Unlike conventional mini-split systems, which require a professional installer to charge, evacuate, and adjust refrigerant lines, the MRCOOL® DIY® Ductless Mini ...

Having spent over 15 years writing about technology, Lawrence has turned his eye to remodeling, smart home services, maintenance and home repair projects. He now contributes DIY, informational and ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: You don’t need to be an HVAC ...

Samantha is an editor who covers all topics home-related including home improvement and repair. She edited home repair and design content at websites like The Spruce and HomeAdvisor. She also has ...

Even experienced DIYers avoid high-risk projects where mistakes are costly or unsafe. Skip HVAC, plumbing, electrical, and gas line work—leave these to licensed pros. Foundation repairs and mold ...