Comfort Systems (FIX Quick QuoteFIX - Free Report) reached a significant support level, and could be a good pick for investors from a technical perspective. Recently, FIX broke through the 20-day moving average, which suggests a short-term bullish trend.

The 20-day simple moving average is a popular investing tool. Traders like this SMA because it offers a look back at a stock's price over a shorter period and helps smooth out price fluctuations. The 20-day can also show more trend reversal signals than longer-term moving averages.

Similar to other SMAs, if a stock's price moves above the 20-day, the trend is considered positive, while price falling below the moving average can signal a downward trend.

Over the past four weeks, FIX has gained 6.1%. The company is currently ranked a Zacks Rank #1 (Strong Buy), another strong indication the stock could move even higher.

The bullish case only gets stronger once investors take into account FIX's positive earnings estimate revisions. There have been 1 revisions higher for the current fiscal year compared to none lower, and the consensus estimate has moved up as well.

With a winning combination of earnings estimate revisions and hitting a key technical level, investors should keep their eye on FIX for more gains in the near future.