Next week, two classes will be temporarily moved to the Chilmark Community Center as workers finish up HVAC work at the Chilmark School.

The summer theatre season continues at the Martha’s Vineyard Playhouse, despite a terminal failure of the main stage air-handling system last month.

Sheet metal licensure is generally necessary for anyone who wants to move air in the state of Massachusetts, from the smallest bath fan to the largest heating, ventilation and air conditioning (HVAC) system.

Several municipal heating, ventilation and air conditioning projects on the Island that have ballooned in price recently, driven up as towns look to replace aging equipment but have no on-Island specialists to carry out such large jobs.

The Chilmark School will not be getting its decrepit heating and cooling system replaced this summer. School district finance director Mark Friedman said the sole bid came in over budget.

After a bid came in well over budget for a second time on the Chilmark School HVAC project, selectmen said this week the town will try a fresh tack.