Guides
Mini split guides
Answers to the questions that come before an estimate, written for DC row houses, condos and older homes.
Planning a mini split
- LearnHow do you air condition an old house without ductwork?
- LearnDo mini splits work in winter?
- LearnDo I need a permit to install a mini split in DC?
- LearnDoes a mini split dehumidify?
- LearnHow long does it take to install a mini split?
- Cost GuideHow much does it cost to run a mini split?
- LearnWhere does a mini split's condensate drain go?
- LearnWhat electrical work does a mini split need?
- LearnWhat types of mini split indoor units are there?
- Cost GuideHow much does a mini split cost to install in Washington, DC?
- Cost GuideWhat rebates can I get for a mini split in Washington, DC?
- Decision GuideIs a mini split better than central air?
- Decision GuideShould I get a mini split or a ducted heat pump?
- LearnWhere should a mini split be installed?
Single-zone installation
- Decision GuideShould I replace my window AC units with a mini split?What you gain and give up when the window units come out, when keeping one still makes sense, and what the switch involves in a DC house.
- LearnWhat size mini split do I need?Why two rooms of the same size can need very different units, what goes into a heat-load calculation in Washington, and how to spot a quote sized by guesswork.
Multi-zone installation
- LearnHow many mini split zones do I need?A room-by-room way to count heads, why open doors and stairs matter more than floor area, and when fewer heads make a better system.
- Decision GuideShould I get a single-zone or a multi-zone mini split?When several separate systems beat one shared outdoor unit, when they don't, and how a DC lot, a historic district or a condo board can make the choice for you.