A high velocity mini duct hvac system can bring an old house up to date with minimal damage to its historic fabric.
Installing hvac system in old house.
For a 1 600 2 000 sq ft.
Lower floors use hot water for radiant heat.
Sometimes it goes right into the existing plenum.
If there is ductwork already in place your total installation price for a whole house central air will be very reasonable.
Illustration by ian worpole worth a look.
For old house owners the main attraction is that the small 3 diameter flexible ducts can be snaked through walls and on top of ceilings without the need to cut big chases or drop a ceiling.
Ask this old house plumbing and heating expert richard trethewey shows a style of ductless heat pump that can be used to heat and cool an entire house.
House a 2 5 ton central ac system costs 3 900 5 000.
With a split system the condenser is outside the house and the fan and coil system are inside.
One of the classics is the ability to add an air conditioning system.
Water conveys heat much better than air does he says.
Many old homes have plaster walls which can complicate or invalidate installation procedures while some also run off of water heat as opposed to forced air.
Old house heating made pretty.
It delivers heat to a forced air system above.
Then switch on the boiler and balance the flow of heated water to each radiator by using the lock shield valves.
Commission the central heating system by closing all of the vents on the radiators filling the system with water and allowing each radiator to vent through.
To keep the house cool richard specifies a traditional air conditioning system also shown here which employs the same ducts used for upper floor heating.
Activate the heating pump and re vent the system.
Old homes can be great places to live but they can have unique problems too.
And unlike the large wall floor or ceiling mounted air registers and grilles required for a traditional hvac system mini duct systems deliver.
They re connected to each other by pipes that carry refrigerant.
Most homes that have a forced air heating system have ducts that can be used for ac as well.