[SJRA-Members] HVAC

[Bob Turner]

Variable speed motors are in style now due to energy efficiency.   From what I've read, avoid (continuously) variable speed motors.  Use a motor that has a fixed number of speeds (windings).  The variable speed controller may cause RFI.  You may want to discuss RFI with the vendor but they may give you a "deer in the headlights" look.

Years ago, my oil burner ignitor / ignition coil was upgraded to a newer model.  I now can hear the ignitor mixed in with KYW1060 news radio.  Fortunately the ignitor turns off in about 30 seconds.  I also hear the ignitor mixed in with my audio distribution system - it's very low level, but it's there.

Bob

-----Original Message-----
From: sjra-members-bounces at mailman.qth.net [mailto:sjra-members-bounces at mailman.qth.net] On Behalf Of royherman at juno.com
Sent: Thursday, September 6, 2018 4:16 PM
To: sjra-members at mailman.qth.net
Subject: [SJRA-Members] HVAC

Hi All
It seems that my central air system needs to be replaced Anybody know some good reliable (and ham friendly HVAC people) Also anybody have any experience with interference to or from your station

73
WB2EOD
Roy Herman
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